The mouse doesn’t deserve a slow death just because it wandered into your house. But it can’t stay there, either. What works is exclusion: find how they get in, close it, and get the ones already inside out.

This guide leads with exclusion. It says plainly that live capture rarely fits indoors, and that snap traps plus sealing are the realistic path for most homes. Poison and glue traps get no recommendation, and you’ll see why.

Decision tree

You hear scratching in the wall

Step 1

Confirm mouse activity

Droppings, gnaw marks, shredded nesting material, night noise

↓

Step 2

Find the routes, plan the exit

Look for gaps a pencil fits through. Do not seal yet. Decide where a caught mouse goes before you set anything.

↓

Step 3

Trap along the routes

Check daily. Hold sealing until a week with no catches.

↓

Most homes

Snap traps, then seal

Gloves, disinfectant on the mouse and trap, then bag it. Never poison or glue.

Narrow option

Live capture

Only a confirmed native mouse, legal release on your property, and hantavirus precautions.

↓

Step 4

Confirm clearance, finish sealing, clean wet

A week with no catches and no new signs. Then seal what is left. Spray droppings wet before wiping.

Avoid sealing a suspected occupied cavity without a removal or escape plan.

Short version: confirm it’s mice, find the routes, trap with snap traps in most homes (live capture only in narrow cases), and seal the gaps once the walls are clear.

First, make sure it’s actually mice

A house mouse is small, gray to light brown, with big ears and a tail that has almost no fur. A deer mouse has bigger eyes, a white belly with a clear line between the colors, and a furry tail. Both can end up in a wall. The difference matters, and the next section explains why.

Signs that fit mice. Droppings, gnaw marks, nests of shredded paper or fiber, and a musky smell in older infestations. Mice are mostly active at night, so scratching after dark fits. To check, sprinkle flour or baby powder along the wall where you suspect they run, and look for tracks in the morning.

Heavy thumping, noise in broad daylight, or much larger droppings point to something else, and that needs a different plan. If you aren’t sure what you have, ask a local wildlife professional before you set anything.

How to get mice out of your walls humanely

Humane here means the mouse leaves alive when that’s realistic, and the way back in gets closed. Work in this order.

Step 1: Find where they get in and out. Mice squeeze through a hole about the width of a pencil, roughly a quarter inch. Check around pipes and wires, vents, door sweeps, the foundation, and the garage. Mark every gap, but leave the ones that might be an exit open for now. Sealing comes once the walls are clear, and the steps are in the mouse-proofing section below.

Step 2: Decide whether live capture fits, and where the mouse would go. The deer mouse is the most common carrier of the hantavirus that causes hantavirus pulmonary syndrome in the United States. People get it by breathing in dust from fresh urine, droppings, or nesting material, or from saliva, urine, or feces getting into cuts or the eyes, nose, or mouth. HPS is severe, and 38 percent of people who develop breathing symptoms may die.

It is also rare. CDC counted 890 hantavirus cases in the United States from 1993 through 2023, and 94 percent were west of the Mississippi River. The point isn’t to panic. It’s that the way you handle a trapped mouse matters.

CDC advises against live traps, which can scare rodents into urinating and raise your chance of getting sick. Gloves don’t cover that risk, because the danger is dust in the air. A 1999 CDC journal letter on deer mice carries the title “A Reason Not to Live Trap Deer Mice in Residences”.

Release has its own problem. In the 1999 deer mouse study, researchers trapped 19 mice in a Colorado bunkhouse, tagged them, and let them go. Five came back, one from 1,200 meters (about three-quarters of a mile), all within 24 hours. That was a small study of deer mice, not house mice. UC IPM reports that house mice moved as much as a half mile can find their way home, and that released house mice are likely to be killed by predators or die of exposure.

Put those together and live capture almost never fits indoors. The native mice you could release are the hantavirus hosts, and the house mouse, which isn’t a meaningful carrier, rarely survives release. Native mice that moved in for fall or winter can be returned outside, and a mouse raised indoors has a slim chance, especially in cold weather. In California, relocating live wildlife, including house mice, off the property where you caught it takes a state permit. Check your own state’s rules, and UC IPM goes further and recommends that live-trapped mice be humanely euthanized.

For most homes, a well-placed snap trap that kills quickly is kinder than a release the mouse is unlikely to survive, and it avoids the live-trap hantavirus problem. Live capture is a narrow option, only for a mouse you’re confident is native, with a legal release spot on your own property near cover, and the precautions below.

Step 3: Trap along their routes. Set traps flat against the wall where the tracks and droppings are, and check them every day. If you do live-trap, set it where the tracks run, check it first thing in the morning, last thing at night, and at least once more during the day, and release right away. Wear gloves, don’t breathe in over the trap, and disinfect it before reuse.

Pups. A female caught in the trap may have young in a nest, and that’s true whether the trap is live or snap. Mouse pups are weaned at about 21 days and then start leaving the nest, so they walk into traps too. Keep trapping and hold off sealing until you’ve had a week with no catches. Call a humane wildlife professional if you can still hear pups but trapping has stopped producing. A nursing mother means young in a nest, and pups left alone will starve.

How to get mice out of the wall itself

Mice in a wall may never walk out onto a trap on the floor. Walls are just where they travel and nest. The goal is to give them a way to meet a trap or leave.

Think like a climber. Mice are excellent climbers that run up any rough vertical surface, jump up to 12 inches, and run along wires and cables. Traps don’t all belong at floor level. Put some on ledges, shelves, and on top of stored boxes where mice are active, away from kids and pets. Note where the scratching travels, along plumbing runs and outlets, since those mark the routes.

Use the openings you can reach. Set traps where the wall opens up: behind appliances, under sink plumbing gaps, along the baseboard where it meets a gap, and at the basement or attic end of the wall. Place them against the wall, with the bait end touching it.

Try an access hole. Victor’s method is to drill a nickel-sized hole in the drywall just a few inches above the floor, cut a matching hole in the side of a cardboard box, put a baited trap in the box, and secure the box against the wall. Mice reach it through the hole and the trap stays out of reach of kids and pets. Victor’s version uses a snap trap. A live trap in that box brings back the hantavirus cautions above. Drill away from outlets and switches, since that’s where wires run, and stop if you hit anything. Patch the hole once the wall is clear, or you’ve made a new way from the wall into the room.

One-way doors. A one-way door lets an animal leave and blocks the way back in. It’s the gentlest exit for wildlife living in a structure, but they’re sold as a humane way to remove larger animals such as raccoons, squirrels, and bats, and a door fitted while there are young inside can strand them. Mice that nest close to a food stash may also have little reason to leave. For mice, ask a wildlife professional whether a door fits your case.

If you can’t reach any route. Don’t cut open the wall and chase them. Set traps at every reachable end of the wall, keep the possible exits open, and give it a couple of weeks. If scratching continues, call a professional who does exclusion and trapping, not bait.

Wiring risk. UC IPM notes that mice gnaw on electrical wires in walls, and many fires of unknown origin are believed to be caused by rodents gnawing wires. If you smell burning, see sparking, find a hot outlet, or have a breaker that keeps tripping, stop and get an electrician. Don’t open a wall around energized wiring yourself.

Snap traps: the realistic path for most homes

When live capture doesn’t fit, which is most of the time, a snap trap is the least bad lethal option. CDC recommends them, and UC IPM calls trapping a great first step.

Place them flat on the floor against the wall, in a T shape with the wall, and in the spots mice already use: behind the stove and fridge, at the back of cabinets, and near the entry points. Use a pea-sized dab of chunky peanut butter as bait. Nesting material also works as bait. Wide-trigger traps work better. Check them daily.

Disposing of a dead mouse safely. In deer mouse areas, the dead mouse is the exposure. Wear gloves. Spray the dead rodent, the nest, and the area around it with disinfectant, let it soak for 5 minutes, then bag it with the used trap. Put the bag in a covered garbage can, and wash your hands afterward.

This is the stopping point for lethal methods. We don’t recommend poison, glue boards, or drowning.

Why you should never use mouse poison

Poison is slow. The common second-generation anticoagulants stay in tissue, a poisoned rodent keeps feeding for several days, and the body carries residues afterward. Non-target wildlife and pets can be poisoned if they eat rodents that have consumed certain poisons, and EPA’s review covers why.

It also fails inside your house. Mice stay within about 30 feet of the nest, so poisoned mice often die in the structure, in your wall. UC IPM adds that bromethalin can move through the food chain to predators. The animals that eat mice are the ones at risk.

CDC lists rodenticides as a later step for persistent infestations. We don’t, because exclusion and traps solve the same problem without poisoning anything else.

Do peppermint oil, ultrasonic repellents, or other home remedies work?

Ultrasonic devices. Ultrasonic sound has very limited use. It’s directional and doesn’t carry behind objects, mice get used to repeated sounds, and there’s little evidence that sound, magnetic, or vibration devices drive out established mice. A wall is exactly where the sound won’t reach.

Peppermint oil, vinegar, and ammonia. They’re all over the internet, but no agency or extension source we found shows any of them clears an established colony. A smell can’t close a quarter-inch hole.

Glue boards. Adult mice often avoid them, and a mouse that does get stuck can suffer for hours. They get no recommendation here.

How to tell when all the mice are gone

CDC’s indicator is a week with no rodents caught and no new signs. That guidance is written for rats, so a week is the minimum for mice. Keep checking past it.

Re-run the flour test along the old routes. No new tracks, no fresh droppings, and no night noise means the wall is clear. Keep checking past the first week.

How to mouse-proof the gaps for good

Wait until the walls are clear. UC IPM treats traps and exclusion as a pair, and sealing a wall with mice still in it just traps them. Until then, close only the gaps you’re sure aren’t their only way out, and keep an exit or a trap at any spot where mice may still be inside.

Then finish the rest. Use wire screen or coarse steel wool, since mice chew through foam, plastic, and rubber, and check around pipes and wires, vents, door sweeps, the foundation, and the garage. Patch any access holes you drilled in the drywall. Keep outside food sources gone and trim shrubs back about 18 inches from the foundation.

How to clean up safely after mice

Because of hantavirus, the cleanup method avoids stirring up dust. Wear gloves. Spray droppings and nesting material with a bleach solution or an EPA-registered disinfectant until it’s very wet. Let it sit for 5 minutes, then wipe it up with paper towels. Do not sweep or vacuum.

Put contaminated insulation in plastic bags. Wash your hands afterward. If mice got into your HVAC ducts, CDC says to call a professional.

When to call a professional

Call someone if you can’t find the entry points, the noise is heavy or constant, you suspect pups, the infestation keeps coming back, or mice have reached the ducts or wiring. Ask any company up front whether it uses rodenticide, and say you don’t want it. A good exclusion company seals holes and traps. It doesn’t just drop bait.

FAQ

Will mice leave on their own? Rarely, and they breed fast. Give traps and exclusion a couple of weeks, not months of waiting.

Can I seal the holes with mice still inside? Not until the walls are clear. Sealed mice can’t leave, and a dead mouse in a wall is a smell problem you’ll find later.

Is it humane to release a house mouse outside? Sometimes, and not for every mouse. Indoor-raised house mice have poor odds outdoors, and some states restrict relocation. A native mouse that moved in this fall has better odds, but deer mice carry the hantavirus risk described above, which is why snap traps are the realistic path for most homes.

How far away should I release a mouse? No distance is reliably far enough. Deer mice came back from 1,200 meters, and house mice have found their way back from a half mile. Release on your own property, near cover.

Does peanut butter work as bait? Yes. CDC says chunky peanut butter works best on a snap trap, in a small amount. Nesting material works too.

What if a mouse dies in the wall? Expect a smell for days to a few weeks. Orkin puts a mouse’s full decomposition at about one to two weeks, depending on temperature, ventilation, and humidity. Your options are to ventilate and wait, or find the strongest spot and open the wall there, which a professional can do. Poison is the main reason mice die where you can’t reach them.

Are mouse droppings dangerous? Yes, they can be. Deer mice carry hantavirus, and virus in fresh droppings and urine can get into the air when disturbed. That’s why the cleanup method is to wet them down and wipe them up, not sweep or vacuum.

How small a hole can a mouse get through? About a quarter inch, or the width of a pencil.

How long until I know they’re gone? A week with no catches and no new signs is the CDC marker, and it’s written for rats. Keep the flour test going to be sure.

Mice are food for owls, foxes, and snakes. Keep that food web outside your house, and keep poison out of it.

The post How to Get Rid of Mice in Your Walls (Without Poison) appeared first on Give A Shit About Nature.

A roost box is a birdhouse built for that job. You can build one, buy one, or turn a nest box you already own into one with a screwdriver and some tape.

Why birds pile into a box at night

Small birds have a lot of surface area for their size, which is why they cool off quickly. They fluff their feathers to trap air, and a lot of species huddle together too. A cavity helps with both. It blocks wind, rain, and snow, and it keeps bodies close.

On cold nights, bluebirds and chickadees can let their body temperature drop 10 to 15 degrees and slow their metabolism, which saves fuel. The state is called nocturnal hypothermia.

Some species take huddling to an extreme. In a British survey of garden nest boxes, wrens averaged about 10 to a box, and the biggest group counted was 51. Those were Eurasian wrens, but American bluebirds pile in too, and more than a dozen of them will sometimes share a single box.

How a roost box differs from a nest box

Warm air rises. In a regular nest box the entrance is near the top, so a bird sleeping on the floor sends its body heat up and out the hole. A roost box flips that. The entrance hole is near the bottom and the birds perch above it, so the warm air stays trapped over their heads.

Two other changes follow. A nest box has ventilation holes to keep eggs and chicks from overheating in summer, and a roost box has few or none, because you want to hold heat in. And it has perches, usually staggered dowels, so birds can stack up at different heights instead of crowding onto a smooth floor. Some builders roughen the inside walls so woodpeckers can cling.

Dimensions vary by plan. Georgia’s version is 10 inches square and 3 feet tall, and the plan below is 12 inches wide and 20 to 26 inches tall. Either way, the perches are thin dowels staggered so no bird sits directly under another. Nobody wants to sleep under a bird that spent the day eating berries.

The evidence for these design details is thin. Bluebird specialists disagree on whether perches are needed, and at least one doubted that bluebirds would use a low entrance at all. None of these sources compares the two designs head to head. A plain nest box with the vents sealed works, and birds do use it.

Who uses them

Bluebirds, chickadees, titmice, nuthatches, and small woodpeckers all use roost boxes. Carolina wrens, flickers, and screech owls roost in cavities too, and blue jays will duck into a box when the weather turns bad.

Not all of them share. Bluebirds often share, and the wrens in that survey did. Chickadees, titmice, nuthatches, and downy woodpeckers usually sleep alone, so a box that holds a dozen birds will mostly host one of them at a time. Downies rarely nest in boxes, but they’ll roost in an unused one just before dusk, and they sometimes enlarge the entrance hole. A hole guard fixes that.

People worry that the birds at the bottom of a pile get smothered. Photos of crowded roosts show birds fanning their heads outward, which suggests they leave themselves air, but that doesn’t settle it. Dead birds do turn up in boxes after severe cold, and Sialis judges food shortage, dehydration, or disease more likely than smothering. Nobody has measured it directly, so treat it as unsettled.

Turn a nest box into a roost box

Start in fall. Clean out the old nest and let the box air out for a few days. Then make these four changes.

• Flip the front panel so the entrance hole sits at the bottom, if your box has a removable front.
• Add perches. Twigs, diagonal sticks, or a small ladder like the one in a chicken coop all work.
• Seal the ventilation holes with duct tape or rolled caulk on the outside only. Leave the drainage holes in the floor open so water can’t pool.
• Put an inch of small wood chips or soft dry grass on the floor. Skip sawdust, cedar bedding, and big chips that can jam in the hole.

If you don’t want to cut anything, skip the flip and the perches. Seal the vents, add the bedding, and you still have a box that holds heat far better than it did in summer.

Build one: materials and measurements

If you want to build from scratch, this plan from Shaw Creek Bird Supplies covers it. It starts with one rough-cut 1 x 12 board, 12 feet long. Cedar lasts longest, and pine or fir work but wear out sooner.

Cut list and layout

Everything comes out of one 1 x 12 board, 12 feet long. Drawn to scale.

The pieces run 136 3/4 inches end to end, which fits in the 144-inch board with 7 1/4 inches left for saw cuts.

Piece	Qty	Size (in)	Notes
Back	1	12 x 36	Score grooves on the inside face between 10 in from the top and 6 in from the bottom.
Side	2	26 3/8 on the long edge, 20 on the short edge, 11 wide	The top edge slopes from 26 3/8 down to 20. Drill six 3/8-in pilot holes, 1/4 in deep, on the inside.
Top	1	12 x 11	15 degree bevel.
Front	1	12 x 20	15 degree bevel. Grooves on the inside. Entrance hole with its bottom edge 1 1/2 in up.
Bottom	1	11 long	Four drainage holes. Sits slightly recessed. Fit the width to the box.
Predator guard	1	6 x 6	Drill a matching entrance hole and glue it on the outside of the front.
Perch	12	3 long, 3/8 dowel	Six per side, staggered. Cut from one 3 1/2 ft dowel.

Cut dimensions adapted from the plan.

You’ll also need a 3 1/2-foot hardwood dowel, 3/8 inch thick, wood glue, wood screws, one brass hinge, and a small hook and eye. For tools, use a saw that tilts to 15 degrees, a drill with a 3/8-inch bit, and a hole saw or spade bit for the entrance.

• Bevel the top and front pieces at 15 degrees.
• Cut grooves 1/4 inch deep and 3/8 inch apart across the inside of the front. Score the back the same way, between 10 inches from the top and 6 inches from the bottom. Woodpeckers use them to cling.
• Drill the entrance with its bottom edge 1 1/2 inches above the bottom of the front. The hole size depends on which birds you want in or out, and the plan lists 1 1/2, 2, and 3-inch bits. Glue the predator guard over it, holes lined up, so squirrels and raccoons can’t reach in.
• Drill six 3/8-inch holes, 1/4 inch deep and not through, in the inside of each side piece. Stagger them so no perch sits directly over another. Cut the dowel into 3-inch perches and glue them in.
• Drill four drainage holes in the floor. These stay open, unlike the ventilation holes you seal in a nest box. Screw the sides to the back, set the bottom in slightly recessed, then screw on the front with the bevel at the top.
• Hinge the lid so you can clean the box, and add the hook and eye to hold it shut.

Leave the outside untreated, and never paint or oil the inside.

Where to put it

Mount it 8 to 10 feet up with the entrance facing south or east, away from the prevailing wind. The box should be waterproof and firmly attached. Use a pole with a predator guard, such as a sheet-metal sleeve tacked tight to the pole. It also keeps mice from moving in for the winter.

Put it up before the first hard cold, and leave your nest boxes up all winter either way. Birds usually slip in just before sunset and leave right after sunrise, so watch from a window at dusk. Feathers, droppings, and seed residue inside are the other giveaways.

A roost box covers the sleeping part. For food and water, see our guides to winter feeders and a winter birdbath, and find the rest of our coverage on the birds page.

The post Winter Roost Boxes: How to Give Small Birds a Warm Place to Sleep appeared first on Give A Shit About Nature.

A shallow bowl of fresh water is enough to help. A winter birdbath just takes a little more care than a summer one, mostly around heaters and keeping birds from getting soaked in extreme cold.

Why birds need water even when it’s freezing

Birds lose water every time they breathe. The moist lining of their lungs evaporates a little with each breath, and they lose more through their skin and their waste. Small birds lose it faster for their size, for the same reason they lose heat faster: more surface area per ounce of body (here are the numbers).

Wild birds have workarounds. A seed-eater makes some water inside its own body when it burns food for energy, and insects carry water too. But those tricks cover only part of what a bird loses, so most of them still need a drink every day.

Open water isn’t critical in winter. Birds conserve water well and can get some from snow or icicles. A bath just makes drinking and bathing easier, especially where liquid water is scarce, and melting snow costs energy a bird could spend staying warm. Birds that do find open water tend to pile in and drink together.

Bathing matters in winter as well. Splashing around cleans feathers and clears out parasites, and clean feathers hold heat better than matted ones. An open bath saves some of that heat and helps them keep their insulation in shape.

What kind of birdbath works in winter

Start with the material. Ceramic cracks in the cold, and concrete does too and is hard to clean. Tough plastic is the safer pick, and you can skip the garden center entirely. A garbage can lid, a saucer sled, or an old frying pan all work.

Keep the water shallow: 1 inch at the edges and no more than 2 inches at the deepest point, with a gradual slope. Small birds need something to grip, so make the bottom rough with sand, a few rocks, or a branch sticking out.

The right setup also depends on your winters and on whether you can run power to the bath. The picker below narrows it down.

What’s your winter bird bath setup?

Two taps. Your setup shows up below.

1. How cold does it get?

Hard freezes. Ice sticks around for days.Occasional freezes. A few cold snaps.Rarely or never freezes.

2. Can you get power to the bath?

A GFCI outlet is within reachNo power near the bath

Pick an answer for each question.Your setup shows up here with the reasons and sources. If winters rarely freeze, the second question doesn’t matter.

Whatever you pick, the bath should be shallow, rough on the bottom, and away from feeders. Details are in the sections below.

How to keep the water from freezing

If you have an outlet, heating is the easy route. A heated bath or a submersible heater needs power, and solar versions need sun. Thermostat-controlled de-icers turn on and off as needed, and many shut off if the bath goes dry.

No outlet? Use an unbreakable bowl. The routine is simple: put it out in the morning, bring it in when ice forms, and do it at the same time every day so birds learn when to show up.

Don’t add antifreeze or glycerin. To keep water liquid down to 15°F you’d need a 30 percent glycerin mix. It’s a low-level toxin, it raises a bird’s blood sugar, and it can mat feathers and cost them insulation.

If you use a heater, do the wiring right. Water and extension cords can electrocute someone, so put the heater on a GFCI circuit. The Electrical Safety Foundation calls a GFCI outdoors “a lifesaver, not a luxury”. A plug-in portable GFCI works if your outlet doesn’t have one. Use an outdoor-rated cord that matches the product, and call an electrician if you’re not sure.

Read the manual, too. K&H’s instructions for its de-icer say to use a grounded extension cord, keep the unit covered with water, and unplug it before you clean the bath.

Where to put it without endangering birds

A good rule of thumb: about 10 feet from the nearest shrub, in a spot that gets winter sun.

A bird at a bath is exposed, so it wants cover within a quick flight. But a shrub right next to the bath is where a cat waits. Advice runs from 10 to 15 feet from cover for a ground bath down to 5 to 10 feet from cat hiding spots, so about 10 feet lands in both ranges. If cats roam your yard, raise the bath 2 to 3 feet on a pedestal.

Sun keeps water liquid longer. Summer advice says shade, and in winter you want the reverse. Keep it out from under feeders too, where seed hulls and droppings land in the water.

Windows are the last piece, and feeder guidance conflicts. Bird Conservancy of the Rockies says within 3 feet of the glass or at least 30 feet away, while Birds Canada says within 10 feet. Go with the conservative version, and don’t count on any distance to prevent every collision. The real fix is marking the glass on the outside with decals.

Keeping birds safe and healthy

A winter birdbath adds a hazard the summer one doesn’t have. Wet feathers in freezing air can ice up, and a bird that can’t fly can’t dodge a cat or a hawk.

Plenty of birds bathe in frigid weather and shake off before the water freezes. Sometimes they don’t. There are reports of starlings dropping from the sky seconds after leaving heated baths, and mourning dove tails freezing to branches. A 2019 Star Tribune story tells of a Minnesota woman who found six cardinals in her yard that couldn’t fly. A wildlife rehabilitation center in Roseville told the paper bathing is dangerous in single digits or lower. None of that is a controlled study, but it’s reason enough not to leave a deep open pool out in a deep freeze.

The fix is to let birds drink without getting in. Lay a board, evergreen boughs, or wooden slats over part of the water, or use a nonmetallic grille with stones and sticks on top. Birds can reach the water with their bills, and they can’t soak.

Change the water daily if you can, and scrub the bath weekly with a stiff brush, mild soap, and water. Daily changes also stop mosquito larvae. In winter, dry air evaporates water fast, so top it off often, and clear algae when you see it.

If the water turns cloudy, moldy, or full of droppings, empty it and scrub. Then soak it in 1 part bleach to 9 parts water, rinse well, and let it dry. Dirty baths can spread diseases like trichomonosis and salmonella. Keep a dedicated brush, wear gloves, wash your hands afterward, and take baths down during an outbreak. Our piece on common backyard bird hazards has more.

What to do before the first freeze

• Swap ceramic or concrete for tough plastic, or use a lid, sled, or frying pan.
• Keep water 1 inch deep at the edges and 2 inches at most in the middle, with sand, rocks, or a branch for footing.
• Put it about 10 feet from the nearest shrub, in winter sun, and away from feeders.
• Plug a heater into a GFCI with an outdoor-rated cord, or plan the morning bowl swap.
• Add a board, grille, or stones if you get hard freezes.
• Wash the bath and set aside a brush for it. Use 1 part bleach to 9 parts water when it’s dirty.

Water is only one leg of winter survival. Birds also need food and cover, and Cornell’s K-12 program lists all three. Our guide to winter feeders makes the case for feeders, and the rest of our bird coverage is on the birds page.

The post Before the First Freeze, Give Your Backyard Birds a Reliable Water Source appeared first on Give A Shit About Nature.

Some people searching “can I keep a pet opossum” are standing in a yard next to a baby opossum with no mother in sight, deciding in real time whether to bring it inside. Others really do want one as a pet.

Found a baby opossum? Measure it first

Young opossums fall off their mother’s back, and she doesn’t come back for them. A juvenile on its own for the first time looks tiny and helpless and is often fine.

So measure, nose to the base of the tail, tail not counted. The Wildlife Center of Virginia says an opossum at least 8 inches long that weighs more than 7.25 ounces, or 200 grams, can survive on its own and needs no help.

DFW Wildlife uses the same 8 inches and offers a field shortcut: a dollar bill is 6 inches, so the animal should be longer than a dollar bill by two inches.

The Opossum Society of the U.S. puts the cutoff at 7 inches. We use 8 as a conservative benchmark. If the animal is borderline, a rehabilitator can settle it quickly.

Nose to base of tail, tail not counted

Wildlife Center of Virginia and DFW Wildlife Coalition guidance

Under 8 in

Call a licensed rehabilitator

8 in or more, over 200 g

Leave it alone if healthy

Any size: bleeding, wounds, a broken bone, fly eggs that look like grains of rice, cold or wet, crying nonstop, or any time in a cat’s or dog’s mouth means call a wildlife vet or rehabilitator now.

Under 8 inches, it does need help, but not yours. It needs a licensed rehabilitator.

Need a rehabilitator near you? Use our state-by-state wildlife rehabilitator finder.

If you have a baby that needs help right now

• Call a licensed rehabilitator or wildlife vet first. That call matters more than anything else on this list, and they’ll tell you what to do next.
• Wear gloves, and avoid contact with the baby’s saliva, as the Wildlife Center of Virginia advises.
• While you wait for instructions, keep it in a secure, ventilated box with a soft cloth, somewhere dark and quiet, away from people and pets.
• If it’s cold, add gentle warmth under half the box so it can move off the heat. The Merck Veterinary Manual recommends supplemental heat with a gradient, so the animal can pick its own comfort zone.
• Give no food and no water until the rehabilitator tells you what to do.

If you find a dead adult on the road, babies may be alive in the pouch. The Wildlife Center says to check only if it’s safe from traffic, wear gloves, and take the whole animal in a box to a permitted rehabilitator if babies are attached.

Why raising a baby yourself so often goes wrong

Opossums are marsupials, and that’s most of the problem. A baby is born after about 13 days of gestation, crawls into the pouch and nurses continuously for roughly two months, then rides on its mother’s back. They’re independent at around four months old.

A rehabilitation presentation from Wildlife Rehabilitation of North Carolina describes the newest babies as embryonic, with mouths sealed around the nipple and an esophagus so thin that tube feeding can tear it.

The Wildlife Center of Virginia warns that the wrong food or feeding technique can lead to sickness or death.

And milk isn’t the easy fix it looks like. A veterinary care sheet notes that lactose-based sugars, like milk, are poorly tolerated by opossums.

It gets starker the smaller they are. A tiny, pink baby was living in a pouch that held it at a constant temperature, like an incubator. DFW says pink babies have very low odds even in rehab.

If an expert with permits and equipment struggles to keep one alive, a first-timer with a heating pad and an internet recipe isn’t going to do better.

Raising one also isn’t allowed in many places. The Wildlife Center points out that keeping a wild mammal in captivity without a state permit is illegal in Virginia, and other states have their own versions of that rule.

What the law says, and why you can’t trust the lists

Opossum possession is state law, and the states are all over the place. Arkansas allows hand-captured opossums as pets, up to six qualifying animals per household, with enclosure and other rules on top. Wisconsin exempts opossums from its wildlife licensing, as long as the animal was legally obtained.

Other states require a permit, and those permits tend to be built for rehabbers and educators rather than pet owners. Some states ban private possession outright. I couldn’t find a primary-source count of how many fall into each group.

Even worse, the “pet opossum laws by state” pages that I found online squeeze all of that into one word, usually “legal” or “illegal.”

Florida shows why that misleads. The FWC lists opossums as Class III wildlife, and keeping one as a pet takes a free personal-pet permit. A tracker that says “legal” leaves out the permit.

The permit comes with a catch, too. Per the FWC’s FAQ, personal pet permits are only issued for animals that are captive bred and obtained from a legal licensed source. A wild opossum from your yard doesn’t qualify.

Can you keep an opossum as a pet?

State-by-state legal status. Tap or hover a state.

United StatesCanada

Pick a state.
Each one shows its status, a one-line note, and the official source.

LegalPermit required or mixedIllegalUnclear

Snapshot taken October 10, 2026. Laws change, and many cities and counties add their own rules. “Unclear” means we couldn’t confirm the state’s rule against an official source. Check with your state wildlife agency before you take one in.

Your county or HOA can be stricter than the state, too. If you’re seriously weighing it, call your state wildlife agency and ask. We walk through the same maze for another animal in keeping a pet raccoon and keeping a wild rabbit.

What a pet opossum actually takes

Say the animal is legal where you live, or you’re past the baby stage.

Opossums aren’t sold in the pet trade, and a veterinary information sheet from LafeberVet says animals kept as companions were often orphaned in infancy. Many pet opossums start as orphaned babies that never make it back into the wild.

After that, it’s a wild animal with a long list of requirements, and the veterinary sources spell them out.

A few of those details cut against the horror stories. The same sources say opossums tend to pick a latrine spot and can be trained to use a litter box, and that a pet can adjust to its owner’s daytime schedule.

The lifespan is the part that stings. In the wild, opossums live one to two years. The Smithsonian’s National Zoo says three or four in human care, and the LafeberVet handout says pets can live 3 to 7 years, with rare reports of 8 to 10.

So captivity roughly doubles a life that’s still short compared with a cat or a dog.

Three things people get wrong about wild opossums

Opossums come with three reputations, and each one is partly earned and partly oversold.

They eat all the ticks. Some of it is earned. In a study of field-caught animals, opossums and squirrels killed 83 to 96% of the larval blacklegged ticks that tried to feed on them. Those ticks were deliberately placed on the animals in a lab.

A later stomach-content study of 32 Illinois opossums found no ticks at all, and questioned the often-quoted 5,500 ticks per week figure.

So opossums groom ticks off themselves and kill many of them, and it’s still unclear how much that cuts tick numbers in your yard. Our guide to animals and tick control covers the wider picture.

They can’t get rabies. Opossums can get rabies, but it’s rare in North America. The usual explanation is a lower body temperature than most mammals, though a CDC journal report calls opossums “considered resistant,” not immune, and documented a rabid white-eared opossum in Brazil.

Hissing, drooling, and baring teeth are defensive displays, not reliable signs of rabies. They also aren’t a bluff to test. A frightened opossum can still bite, so don’t approach one just because you think it’s harmless.

They’re faking it. The famous dead act is real, and it’s involuntary. It’s a stress response called tonic immobility, and the vet sheet says it can last from as little as a minute to as long as six hours. Give a motionless one time before you decide it’s dead.

More on living alongside them in are opossums good to have around and what to do if you see one.

Questions people ask

Is it illegal to keep a pet opossum? It depends on the state. Some ban it, some require a permit, and a few allow it with conditions. Local rules can be stricter. Ask your state wildlife agency, since the online lists conflict.

Can I raise a baby opossum I found? Not safely, and in some states not legally. Under about 8 inches, it needs a licensed rehabilitator. At 8 inches or more and healthy, it should be left where it is.

How do I know a baby is old enough to be on its own? Measure nose to the base of the tail. At least 8 inches and over 200 grams means independent, according to the Wildlife Center of Virginia. One rehab group uses 7 inches, so when you’re close, call a rehabber.

How long do opossums live? One to two years in the wild. In human care, the Smithsonian says three or four, and a vet handout says 3 to 7.

What does a pet opossum eat? Veterinary sources describe low-fat cat food or an omnivore pellet, vegetables, a little fruit, and a protein source a few times a week. They gain weight easily.

Do opossums carry rabies? Rarely. They’re considered resistant, though not immune, so a sick-looking opossum still deserves distance.

The post Why a Pet Opossum Almost Never Works Out, Even Where It’s Legal appeared first on Give A Shit About Nature.

The catch is that the right move depends on where the raccoon is and what time of year it is. A raccoon raiding your trash is a different problem from a mother raising kits in your chimney. Start with the table.

Start with where the raccoon is

The deterrent aisle mostly sells you a delay

Hardware stores sell ammonia, mothball granules, predator urine, cayenne sprays, ultrasonic emitters, and motion sprinklers. Even the companies that sell traps are lukewarm about them. Havahart rates homemade repellents like ammonia and mothballs negligible for getting rid of raccoons, and Critter Control, a removal company, says scent deterrents and motion devices give limited results because raccoons figure out the threat is fake.

That fits the animal. Raccoons are curious, persistent, and good at learning which scary things are harmless. The light flashes and no predator shows up. The smell fades and the trash is still there.

There are other problems. Wisconsin extension staff say ammonia and mothballs are not registered for use as repellents and can harm helpless young animals if you put them in a den. Sprays also wash off in the rain, so you end up reapplying all season.

Short-term eviction is the one use with agency backing. Connecticut’s wildlife agency says harassment, or repellents like vinegar or ammonia combined with light and noise from a portable radio, can be effective for getting raccoons out of a building. Think of it as a few days of pressure in one spot while you plan the permanent fix.

What raccoons are actually after

They come for food or for a safe, dry place to raise kits. The food list rarely changes: unsecured trash, pet food left out overnight, feeder seed, fallen fruit, an open compost pile, and lawn grubs they’ll peel the sod back to reach. Connecticut’s agency recommends strapped lids, secured cans, bins, or a garage for trash, keeping pet food inside, and predator guards on feeder poles.

If they’re tearing up the grass, the grubs are the draw, and you can deal with those without poison. We cover that in our guide to getting rid of lawn grubs naturally.

Shelter is the other half. Raccoons reach roofs by climbing trees, downspouts, and vines, and they den in attics, chimneys and sheds. The usual fixes are a chimney cap, repaired eaves, and trimmed branches. The same find-the-hole logic applies to any animal in a building, and we walk through it in what to do about a bat in the house.

What happens to a relocated raccoon

Catching a raccoon and driving it somewhere green sounds humane. The research isn’t kind to that idea, though it’s messier than the version you usually hear.

Survival was poor in several studies. In Toronto, researchers moved 24 city raccoons 25 to 45 km, and mortality approached 50% in the first three months. In Kentucky, the odds of raccoons trucked in from Florida surviving to hunting season were under 10%. Those are old studies on specific groups. A claim like “90% die” circulates widely, but we couldn’t trace it to a study, so we left it out.

Some survive, and that creates a different problem. A 2023 South Carolina experiment moved 30 raccoons 16 km. Most settled into new home ranges, but they covered about 13 times more ground at first, and three walked back more than 16 km to where they were caught. The authors warn that this kind of movement can spread rabies and urge people to stop translocating raccoons. In a Tennessee study that released 286 raccoons, only 29 were recovered and 41% of those were illegal kills. Its authors thought translocation could work where habitat is suitable and resident raccoons are few.

It often doesn’t fix anything. Tennessee’s wildlife agency says relocated raccoons are quickly replaced by other raccoons when whatever drew them is still there.

The law may rule it out. Connecticut says relocation of trapped raccoons is not allowed, citing rabies risk and a state law. Raccoons that can’t be released on site have to be humanely killed, which isn’t what most people picture when they buy a live trap. Rules differ by state, so check yours first.

Can you trap a raccoon on your own property?

State-by-state rules for homeowners. Tap or hover a state.

Pick a state.
Each one shows its status, a short note, and the official source.

Legal, no permit neededLicense, permit, or limitsUnclear

Snapshot taken October 11, 2026. This covers trapping a raccoon on land you own or occupy. Laws change, and many cities and counties add their own rules. “Unclear” means we couldn’t confirm the state’s rule against an official source. Check with your state wildlife agency before you set a trap.

Then there’s timing. Kits are born in spring, so a raccoon trapped from spring into summer might be a mother, and her young get left behind. We couldn’t find a study on how often that happens. It’s the reason wildlife agencies tell you to check for young first.

Doing it right, including the timing

For a raccoon working the yard at night, it’s all about food. Secure the trash, bring in the pet bowls, and deal with the fallen fruit and grubs, and give it a while. We couldn’t find a study that says how long, so watch your own yard and expect it to take more than a night or two.

For a raccoon in a building, timing matters more than technique. Kits are usually born in April or May after about a 63-day gestation, and Connecticut puts whelping at late March through May. Young raccoons generally leave the den eight to ten weeks after birth. Assume kits are there from late winter through summer.

1. Check for young. Washington’s wildlife agency says to look for a nest, and to leave the family alone if young are present, because evicting a mother can leave kits behind.
2. If you can’t wait, make the den unpleasant. Light, a radio on a talk station, and a strong smell near the den can push a mother to move her kits to a backup den over a few days. Never light a fire to drive one out of a chimney, and keep ammonia and mothballs off the nest.
3. Seal once it’s empty. Use heavy galvanized hardware cloth or a proper repair, not foam or window screen. For a chimney, install a cap.
4. Call a licensed wildlife professional if the den is out of reach, you can’t confirm it’s empty, or anyone in the house has a health concern.

Droppings are a health issue. Raccoons use communal latrines, and their feces can carry roundworm eggs. The CDC says to wear an N95 respirator in confined spaces and lightly mist the area to keep dust down. Connecticut recommends a HEPA respirator and gloves in attics. If there’s a latrine, clean it carefully or hire someone who does this for a living.

A raccoon out in daylight isn’t automatically sick. Connecticut notes that raccoons adjust their feeding schedules, especially in spring when rearing young. Unprovoked aggression, poor coordination, and disorientation are the signs worth worrying about, and we cover them in are raccoons dangerous.

Don’t take a kit home, either. In most states keeping one is illegal, and we break it down in the legal reality of keeping a pet raccoon.

A raccoon on your property means the place is a decent spot to be a raccoon. They also do real work out there, and we wrote about the animals that used to keep their numbers in check in what eats a raccoon.

Questions people ask

What smell gets rid of raccoons fastest? Ammonia or vinegar plus light and noise can push a raccoon out of a den for a few days, per the Connecticut wildlife agency. It doesn’t work as a yard-wide fix, because rain washes sprays away and raccoons get used to smells.

Is it legal to trap a raccoon and release it somewhere else? It depends on your state. Connecticut prohibits it outright, and Tennessee says it’s illegal in some areas. Check with your state wildlife agency before you trap anything.

How do I get a raccoon out of my attic without hurting it? Check for young first. If it’s spring or summer, assume there are kits. Wait for the family to leave if you can, or use light, noise, and scent to encourage the mother to move them. Seal the entry only when you’re sure it’s empty, and call a licensed wildlife professional if you can’t confirm that.

Will the raccoon just come back? If you only removed the animal, it can come back, or a different one can take its place. If you removed the food and sealed the entry, there’s less reason to.

Does one raccoon mean there are more? Not necessarily. In spring and summer, though, a single adult using your property could be a female with kits nearby, which is a good reason to check before you trap.

The post How to Get Rid of Raccoons Without Trapping (Trapping Backfires) appeared first on Give A Shit About Nature.

The short version: owls say yes to snakes, and the venom isn’t the problem it might seem. The longer version involves talons, pellets, and a prey-selection logic that tells you quite a bit about how owls actually work as predators.

Owls and Snakes

Snakes aren’t a dietary staple for most owl species, they show up as a supplemental, opportunistic part of a diet dominated by small mammals. But they appear regularly enough in owl pellet analysis that researchers have documented the specific snake species taken by specific owl species in specific regions. Great horned owls have been documented consuming over a dozen snake species, including garter snakes, rat snakes, bull snakes, and in some documented cases, rattlesnakes and copperheads.

The Eastern screech owl takes garter snakes and rat snakes. Barred owls, which have a notably broad diet, include small snakes in what they’ll eat. Burrowing owls hunt smooth green snakes in their ground-level habitat. The pattern is consistent: larger owl species take larger and more varied snakes, smaller species stick to smaller ones, and all of them eat snakes when the opportunity is convenient rather than as a deliberate hunting target.

How Owls Handle Venomous Snakes

This is the part that surprises most people. Owls can take venomous snakes because snake venom is a protein-based toxin that requires entering the bloodstream to cause harm. Ingesting venom through the digestive system doesn’t produce systemic poisoning: the stomach acids and digestive enzymes break down the venom proteins before they can cause problems. Multiple diet studies confirm that owls consume venomous species without apparent ill effects.

The real danger for the owl isn’t the venom, it’s the strike. A rattlesnake can still hit a bird before the bird secures it, and a direct bite from even a modestly sized venomous snake is potentially serious for an owl. This is why hunting strategy matters.

Great horned owls, like most birds of prey that take snakes, typically strike from above at speed, delivering a grip with talons that exert several hundred pounds of pressure per square inch aimed at the head and spine. The goal is to immobilize the snake before it can respond, which is why size matching matters considerably, an owl won’t attempt a snake that’s realistically dangerous to handle.

The owl doesn’t win every encounter. Field reports and occasional photographic evidence document cases where large constrictors have overpowered and killed owls, particularly juveniles or birds that misjudged the size of what they’d grabbed. The food chain runs in multiple directions. But for the size ranges owls typically take, the strike-from-above-immobilize-immediately strategy is effective.

The Pellet Evidence

The primary way researchers know what owls eat is owl pellets, and this method works particularly well for snakes. Unlike digested soft tissue, snake vertebrae and scales are indigestible, so they end up in the pellet that the owl regurgitates hours after eating.

Pellet analysis has allowed ornithologists to build detailed prey lists for individual owl species across different regions, and snake remains turn up more often in larger species like great horned owls than in smaller species, which aligns with the size-matching logic.

For homeowners who find an owl pellet in the yard (oblong, gray-brown, often containing hair and small bones), it’s a direct record of what the local owl has been hunting. Snake vertebrae are distinctive, the centra have a specific shape that’s recognizable even to non-specialists. Finding them in a pellet under a roost tree is confirmation that snakes are part of the local predation picture.

What This Means for Yards With Both Owls and Snakes

Snakes in yards are generally beneficial, something we’ve written about with garter snakes specifically, they eat slugs, insects, and rodents, and the ecosystem services they provide are real. The fact that owls also eat snakes is part of the same ecological system, not a reason to be concerned about either animal. Owls regulate snake populations at the margins.

Snakes regulate rodent populations. Rodenticides break both chains simultaneously, which is why stopping rodenticide use is one of the most effective things a homeowner can do for the whole nocturnal food web in their yard.

Supporting owls in your yard, whether through nest boxes, maintaining trees, or reducing outdoor lighting at night, doesn’t mean you’ll lose your garter snake population. Owls are opportunistic hunters taking what’s abundant and accessible. In a yard with a healthy rodent supply, that’s usually voles and mice first, with snakes as an occasional supplement.

The relationship between owls and snakes in your yard is one of dozens of predator-prey connections operating simultaneously in a functioning outdoor ecosystem. The owl hunting a garter snake under your garden is doing the same ecological work as the garter snake hunting the slug that was heading for your tomatoes. Each link in the chain is doing something.

Read More: Do Garter Snakes Bite? Separating Myth From Fact

FAQ

Which owls are most likely to eat snakes? Great horned owls eat the widest variety and largest snakes of any North American species. Barred owls, Eastern screech owls, and burrowing owls also take snakes regularly. Barn owls eat snakes opportunistically but less frequently than the above species.

Can owls be harmed by venomous snake bites? Yes, a direct bite from a venomous snake can injure or kill an owl. Ingesting venom is not the concern — stomach acids neutralize it — but a strike to the face, foot, or body before the snake is controlled is a real risk. This is why owls aim for the head and spine with their initial talon strike.

Do owls specifically hunt snakes, or is it opportunistic? Opportunistic. Owls don’t patrol for snakes the way they might stake out a vole run. They take snakes when the opportunity is practical given the snake’s size and the owl’s hunting conditions.

Will owls eliminate snake populations in a yard? No. Owls take individual snakes when they encounter them, not systematically. Snake populations in a yard are more likely regulated by habitat and prey availability than by owl predation.

The post Yes, Owls Eat Snakes. Even The Venomous Ones appeared first on Give A Shit About Nature.

Real attacks are rare, and nearly all of them come from a parent defending a nest or a territory. Maine wildlife biologists, Oregon wildlife officials, and Seattle Parks all describe the same pattern. Once you know it, it’s easy to avoid.

What Actually Triggers an Owl Attack

Owls don’t attack people for food. A great horned owl sizes up a rabbit. It doesn’t size up a jogger. Attacks on people are defensive, and the trigger is a nest, young, or a mate nearby.

Great horned owls and barred owls are the two species most often reported, and Maine says they defend territory, homes, mates, and young. They’re big, common, and fine with nesting in parks, cemeteries, golf courses, and suburban tree lines. Cornell says barred owls are territorial all year and even more aggressive during nesting season, especially the females, sometimes striking intruders with their feet.

Salem, Oregon is the famous case. In early 2015, a barred owl at Bush’s Pasture Park went after joggers, snagging hats and clawing at least one scalp. Nobody was seriously hurt. When the city posted a warning about another owl in the same park in December 2023, ODFW told KPTV it was likely defending its territory during breeding season.

Seattle has its own version. After an owl dive-bombed a visitor and took their hat, Seattle Parks put up warning signs at Lincoln Park. The department said it looked like one owl, and that most of the attacks happened at one trail intersection.

Why does it seem to be happening more? Wildlife Conservation Society biologist Jonathan Slaght told NPR that shrinking dense forest pushes nests closer to people. An amped-up owl doesn’t care what walks by, he said, whether it’s a fox, a deer, or a human.

So how hurt do you get? Usually it’s scratches. A Washington woman who was hit twice by a barred owl got her scalp cleaned and a tetanus shot. Serious eye injuries show up in the medical literature as rare case reports, like this one from a European tawny owl.

The Nesting Season Window

Great horned owls nest early. In Maine, pairs form from mid-January to mid-March, and they’re the earliest-nesting bird in the state. Barred owls start courting in late winter. Their egg laying typically happens in early spring, and starts as early as December in the far south.

Exact dates shift with latitude, so a Florida owl and a Maine owl aren’t on the same calendar. Fall matters too. Washington wildlife officials say barred and great horned owls can get touchy when the days get shorter in the fall as well as in spring.

Time of day matters just as much. Washington Fish and Wildlife says dive-bombs are more likely at night and in the early morning and late evening. Owls may also hoot repeatedly first, which works like a warning.

The good news is it ends. Maine says to stay away from a nesting area until the young are flying, about three to four weeks after the eggs hatch. After that, the parents ease up.

We’ve written about how to attract owls to your yard. If you do get a nest nearby, treat winter and spring like you would a cranky neighbor’s driveway. Give it space.

What to Do If an Owl Comes at You

Tap what’s happening and the card below will tell you what to do.

An owl is acting up. Now what?

Tap what’s happening.

Pick one above.

Based on guidance from Maine wildlife officials, USFWS, Seattle Parks, and ODFW. Details and sources are below.

A few details behind that advice. U.S. Fish and Wildlife Service says to carry an open umbrella or a flagged stick above your head, because raptors go after the tallest object instead of the person. Never use it as a weapon. Maine says to wave your arms slowly overhead and wear a hat or helmet if you have to walk past a nest.

Don’t reach toward a nesting owl, and don’t hang around under an active nest to watch or photograph it. Keep moving, calmly and steadily.

The Bigger Picture

The right takeaway isn’t to fear owls or run them out of your yard. It’s to understand a seasonal, mostly avoidable behavior and adjust around it.

Owls eat a lot of rodents, and they’re one of the first animals hurt when people poison those rodents. We’ve covered how rat poison harms owls, and that’s a far bigger problem for owls than owls swiping a hat is for people.

Removing a problem owl isn’t an option anyway. It’s illegal, and it’s usually unnecessary. A sign, a detour, and a few weeks of patience handle it.

Read More: Do Owls Eat Cats? What’s Documented vs. What’s Myth

Owl Attack FAQ

Which owl is most likely to attack a person? Great horned owls and barred owls are the two most often reported. Maine lists both as common nest defenders, and Cornell notes barred owls sometimes strike intruders with their feet during nesting season.

Can an owl seriously hurt a person? Most of the time it’s scratches and a scare. Talons are needle-sharp, so deep punctures are possible, and a doctor can tell you whether you need a tetanus shot. Serious eye injuries appear only as rare case reports.

Why do owls go after runners and walkers? Nobody knows exactly. Seattle Parks said it sees no pattern in who gets picked. Washington officials say attacks are most likely at night and in the early morning and late evening, which are also popular running hours.

Are owls protected if they attack someone? Yes. Owls are covered by the Migratory Bird Treaty Act, and USFWS says it’s illegal to take, possess, or move them or their nests and eggs without a permit. Active nests can’t be touched or removed. If an owl is a repeat problem on a trail, call your local or state wildlife agency.

What should I do if I find an injured owl? Don’t try to pick it up or keep it. Maine says only licensed rehabilitators can legally transport and keep owls, so call one near you right away.

Need a rehabilitator near you? Use our state-by-state wildlife rehabilitator finder.

The post Are Owls Dangerous? When They Attack, Why, and What to Do appeared first on Give A Shit About Nature.

The animal most Americans encounter in their yards, the one that plays dead, hisses dramatically when startled, and occasionally raids the compost, is technically an opossum. Its formal common name is Virginia opossum (Didelphis virginiana), and “opossum” is what naturalists, state wildlife agencies, and scientific literature use for any member of the order Didelphimorphia, all of which are native to the Americas.

“Possum,” the informal version that most Americans use in everyday speech, is actually the correct common name for an entirely different group of animals: the possums of Australia and nearby regions, which belong to the order Diprotodontia. They’re marsupials like opossums, but they’re not closely related. Different continents, different evolutionary history, different animals.

So when someone says “there’s a possum in my garbage,” they’re probably talking about a Virginia opossum, using a shortened nickname that technically belongs to a different species on the other side of the world. Language is strange.

Why Both Names Are Used for the North American Animal

When European settlers named the animals they found in the New World, they were working fast and with imperfect reference points. Captain John Smith documented the Virginia opossum in the early 1600s, using a word derived from the Algonquian aposoum, meaning “white animal.” The initial transcription was “opassom,” and it eventually settled into “opossum.”

The “o” at the beginning of the word gets dropped in casual speech pretty naturally — English speakers do this constantly with words over time, and regional accents accelerate it. In the American South especially, “possum” has been the colloquial standard for generations. The Merriam-Webster dictionary lists “possum” as a valid informal variant of “opossum” specifically in reference to the North American animal.

So in practical, everyday American English, calling the Virginia opossum a possum is completely understandable and you won’t confuse anyone. In scientific and wildlife management contexts, “opossum” is the appropriate term.

What They Actually Are (And Why They’re Worth Understanding)

Virginia opossums are the only marsupial native to North America north of Mexico. That alone makes them remarkable. They’re more closely related to kangaroos and wallabies than to any placental mammal, and they’ve been doing their thing on this continent for roughly 65 million years, which means they survived whatever finished off the non-avian dinosaurs. They’re genuinely ancient animals, and the whole “playing dead” strategy predates most of their current predators by a wide margin.

The playing dead behavior, called thanatosis, is involuntary. The opossum doesn’t decide to do it — it’s an autonomic response to extreme stress, similar to fainting. The animal goes limp, its breathing slows, it drools, and it emits a foul-smelling secretion from its anal glands to reinforce the impression of a rotting corpse. Some predators lose interest; the opossum eventually recovers when the threat passes.

We’ve written more fully about opossum behavior and why their aggressive reputation is wrong. The hissing and drooling that looks threatening is almost always defensive performance rather than genuine aggression.

The Australian Possums: A Different Animal Entirely

For completeness: Australian possums are genuinely different. There are more than 60 species in Australia, New Zealand, and nearby regions, ranging from the common brushtail possum to the tiny pygmy possum. They’re adapted to arboreal life, eat mostly vegetation and nectar, and tend to look considerably more appealing to most people than the Virginia opossum, which may be part of why the informal “possum” name became attached to the American animal, since early European settlers were trying to describe something familiar.

The naming confusion runs in both directions. In Australia, people casually refer to their possums using that name without any confusion, because they don’t have opossums. In North America, people casually drop the “o” without issue because they don’t have the Australian possums. The overlap exists only when someone is trying to be precise across both contexts.

The Wildlife Perspective on This Animal

Whatever you call it, the Virginia opossum is useful to have around. We’ve written about all the reasons opossums are good to have in a yard, their role as scavengers, their tick-foraging behavior, their notably low rabies risk relative to other wildlife. They fill a genuine ecological niche as generalist omnivores and decomposer-adjacent scavengers, and their low body temperature makes them significantly less dangerous from a disease transmission standpoint than raccoons, skunks, or foxes.

Their reputation suffers mostly because they look alarming to people who startle them, and because the defensive behavior (hissing, teeth-baring, drooling) reads as aggression even when it’s the opposite. What to do when you see an opossum is genuinely simple: leave it alone, give it time, and it will move on.

If you find one apparently dead in the yard, give it 30 minutes before drawing conclusions. Thanatosis can last anywhere from a few minutes to several hours. The animal that looks dead at 8 p.m. may be gone without a trace by midnight.

FAQ

Is it incorrect to say “possum” in North America? In casual conversation, no — it’s widely understood and used, especially in the South. In formal, scientific, or wildlife management contexts, “opossum” is the appropriate term. Merriam-Webster accepts “possum” as an informal variant.

Are possums and opossums the same animal? No. Opossums are marsupials of the order Didelphimorphia, native to the Americas. Possums are marsupials of the order Diprotodontia, native to Australia, New Zealand, and nearby regions. They share a marsupial ancestry but are not closely related.

Is “playing possum” named after the right animal? The phrase is named after the North American Virginia opossum, even though it uses the informal “possum” name. The behavior it describes — feigning death — is accurately attributed to the opossum and is well-documented.

The post Possum vs. Opossum: Both Are Correct, But Not for the Same Animal appeared first on Give A Shit About Nature.

Raccoons have few natural enemies left in suburban areas. Their historical predators, including panthers and red wolves, have largely disappeared from populated regions. Coyotes prey on raccoons but remain uncommon in exactly the suburban zones where raccoons do best. What’s left is a prey species that has brilliantly adapted to human environments without the predator pressure that would normally regulate its population.

That’s the actual reason raccoons are everywhere in your neighborhood, and understanding it changes how you think about the problem.

The Predators That Actually Eat Raccoons

Great horned owls are the most significant avian predator of raccoons in North America. With a wingspan up to five feet and a grip that applies roughly 28 pounds of pressure, they hunt at night — the same hours raccoons are most active — and take juveniles readily and occasionally adults.

We’ve written about attracting owls to yards, and this is one reason the ecological argument for supporting owl populations is so direct: they’re doing regulatory work on the animals that cause the most conflict with humans.

The biggest threat to owls in suburban areas, incidentally, is secondary poisoning from rodenticides. Rat poison travels up the food chain through raccoons, mice, and voles to the predators that eat them.

Coyotes are probably the most ecologically significant raccoon predator in terms of sheer impact on population size. They hunt raccoons in both rural and suburban areas, and research consistently finds that raccoon populations are higher in areas with reduced coyote presence.

The relationship runs in both directions: raccoons avoid areas where they smell or encounter coyotes, which shifts their foraging behavior even when they aren’t directly preyed upon. We’ve written about coyotes and the data around them — they’re one of the more misunderstood animals in suburban ecology, and their role in managing raccoon and rabbit populations is a real ecological service that rarely gets acknowledged.

Bobcats take raccoons primarily through ambush in wooded and rural areas. They’re capable of killing adults but more consistently prey on juveniles, particularly in the first year when young raccoons are still developing their own predator awareness.

Bobcats are rarely present in dense suburban environments, which means their impact is largely limited to rural edges and exurban zones. The risk profile of bobcats to humans is vanishingly low, and they function quietly as part of a predator community that helps regulate mid-sized mammals.

Red-tailed hawks and other raptors take juvenile raccoons opportunistically, particularly in spring when kits first begin exploring away from the den. Adult raccoons are too large and heavy for most hawk species to handle. Hawks are primarily relevant as predators of the most vulnerable cohort: young animals that haven’t yet developed the wariness of adults.

Foxes occupy a more complicated position in the raccoon predator list than most sources suggest. Adult raccoons and red foxes are similar in size, and direct predation of healthy adult raccoons by foxes is uncommon. Foxes are more likely to take very young kits, and the relationship between the two species is as much competitive as predatory, they use similar habitat, similar denning sites, and similar food sources.

Alligators are relevant in the Southeast, particularly Florida, where raccoons frequently forage near water. Large alligators over eight feet long are important raccoon predators near water sources, and their presence near bird rookeries limits raccoon nest predation.

This is one of the more underappreciated ecological relationships in southern states. Alligators are doing work on raccoon populations, and that benefits nesting birds, which is a ripple effect most people never consider.

Read next: How to Get Rid of Raccoons Without Trapping (Trapping Backfires)

Why Suburban Raccoon Populations Are So Dense

The ecological answer to why raccoons are everywhere in your neighborhood is that the predator community that would normally regulate them has been eliminated or pushed out. Mountain lions, wolves, and panthers are long gone from populated areas.

Coyotes face active harassment and removal campaigns in suburban zones. Bobcats rarely venture into dense development. What remains is a prey species living in food-rich human environments with almost no meaningful predator pressure and access to shelter, water, and calories on every block.

This is worth understanding because it reframes what’s actually happening when raccoons get into your trash or den under your deck. They’re not particularly bold or aggressive animals. They’re simply responding rationally to an environment with unlimited food and no predators, which is an unusual ecological situation that humans created and continue to maintain.

The practical implication is that trapping and relocating individual raccoons rarely produces lasting results. As we’ve written before, the drivers of raccoon abundance are structural: available food, available shelter, and reduced predator pressure. Removing one raccoon from a territory that still has all three of those things just invites the next one.

What This Means for Managing Raccoons in Your Yard

The most durable approaches address the food and shelter side of the equation rather than trying to remove individual animals. Securing your trash is the highest-impact single action: locking lids, storing bins inside until collection morning, eliminating accessible food sources including fallen fruit and pet food left outside. These changes reduce the attractiveness of your specific yard regardless of what the rest of the neighborhood does.

Blocking access to den sites under decks, porches, and crawl spaces with hardware cloth removes the shelter component. This is most effective done in late summer or fall, after juveniles have dispersed, rather than in spring when mothers may be present with kits.

Supporting the predator community that does operate in suburban areas also matters more than people generally recognize. Keeping outdoor lights off at night helps great horned owls hunt effectively.

Stopping rodenticide use keeps the secondary poisoning chain from eliminating the raptors that keep small mammal and juvenile raccoon populations in check. Making a yard that supports owls, hawks, and other raptors is a long-term investment in a functional predator-prey relationship that the suburban landscape has largely dismantled.

Raccoons are not a problem that will be solved by trapping. They’re a symptom of a food-rich, predator-poor environment, and the yard-level responses that actually work address those conditions directly.

Read More: Are Raccoons Dangerous? The Risks vs. The Myths

FAQ

Do raccoons have any natural predators left in suburban areas? Very few that operate with any regularity. Great horned owls take juvenile raccoons, and coyotes occasionally hunt them in suburban fringe areas. The larger predators that historically regulated raccoon populations, including mountain lions, wolves, and panthers, no longer exist in most populated regions.

Will coyotes keep raccoon populations down in my neighborhood? In areas where coyotes are present and not actively persecuted, they can suppress raccoon activity through both predation and avoidance behavior. Research has found higher raccoon densities in areas with reduced coyote populations. However, coyote presence in dense suburban areas varies considerably by region.

What should I do if I see a raccoon being hunted by a predator? Nothing. This is natural behavior and is generally over quickly. Interfering can disturb the predator and create habituation issues. Both raccoons and their predators are native wildlife operating in their ecological roles.

Do great horned owls really eat raccoons? Yes, primarily juveniles. Adult raccoons are at the upper end of what a great horned owl can carry, but kits and subadults are taken regularly. This is one reason supporting owl habitat in suburban areas has real pest-management implications.

The post What Eats Raccoons? The Natural Predators Missing From Your Neighborhood appeared first on Give A Shit About Nature.

If the answer is house sparrows, the chunky, aggressive, brown-streaked birds that showed up from England in the 1850s and have been taking over nest boxes ever since, you have real options and clear legal authority to use them.

If the answer is native sparrows like song sparrows, white-throated sparrows, or chipping sparrows, those are protected under the Migratory Bird Treaty Act and cannot be legally harassed, trapped, or removed.

This distinction matters enormously, because the management approaches that are entirely legal for house sparrows would be federal violations if applied to native birds. The rest of this article is about house sparrows specifically.

Why Are House Sparrows A Problem?

House sparrows (Passer domesticus) are not native to North America. They were introduced from England beginning in the 1850s under the mistaken belief that they’d help control agricultural pests. The North American Bluebird Society’s control factsheet notes that they spread across the entire continent within 50 years from a starting population of around 100 birds, an extraordinary colonization.

Because they’re non-native, house sparrows are specifically excluded from Migratory Bird Treaty Act protection, and the U.S. Fish and Wildlife Service has for decades explicitly endorsed removing their nests, eggs, and adults from artificial nest boxes erected to benefit native cavity nesters like bluebirds and tree swallows.

The problem is real. House sparrows compete aggressively for nest cavities, and Cornell Lab’s NestWatch program data documents them killing the adult occupants of nest boxes they want to take over. This isn’t occasional. Many experienced bluebird landlords have found dead adult bluebirds in their boxes killed by house sparrows defending the cavity.

Getting Them Away From Feeders

House sparrows favor millet, cracked corn, and bread. Switching feeder contents is one of the simplest and most effective first steps. Sialis.org’s management guide recommends shifting to black oil sunflower seeds, safflower, thistle (nyjer), and suet, foods that native birds use readily but house sparrows prefer significantly less.

Feeder design also matters. Tube feeders with short perches are harder for house sparrows to use comfortably than open platform or hopper feeders. Reducing spillage beneath feeders removes the ground-level foraging that house sparrows particularly enjoy.

The “Magic Halo” deserves mention because it sounds strange and actually works. It’s a series of weighted monofilament lines hung around a feeder at roughly bird-head height. The visual obstruction bothers house sparrows more than native birds, and Feathered Guru’s management guide describes it as one of the more reliably effective passive deterrents for feeders specifically.

None of these will eliminate house sparrows from your yard, but they’ll reduce feeder dominance enough for native birds to use the food you’re putting out.

Protecting Nest Boxes

This is where the situation is most serious and where active management is most justified. A nest box that house sparrows take over isn’t just losing housing for a bluebird — the bluebird that was already nesting may be killed.

The legal framework is clear. NestWatch states directly: removing house sparrow nesting materials from a box repeatedly, every few days, discourages them from completing a nest and eventually pushes them elsewhere. This works best as a single-box strategy because displaced sparrows may simply move to the next box on a trail and cause the same problem there. For a trail of multiple boxes, more active intervention may be necessary.

House sparrow nests are identifiable: messy, loosely built, with coarse grass and debris versus the tidy woven grass cup of a bluebird nest. Once you can tell the difference, nest checks take about 30 seconds.

A Sparrow Spooker is a useful passive tool for occupied bluebird boxes specifically. Installed after the first bluebird egg appears, it consists of reflective Mylar strips suspended above the entrance hole. Biology Insights describes the strips deterring sparrow approaches while bluebirds habituate to them quickly. It must come down after the bluebirds fledge, or it becomes a deterrent to the next occupants as well.

Entrance hole restrictors sized to 1-1/8 inches exclude house sparrows while admitting smaller native cavity nesters. For bluebird boxes specifically, PVC Gilbertson-style boxes appear to be less attractive to house sparrows than wood boxes, though this is a preference rather than a guarantee.

Trapping: What It Involves and What the Law Requires

Trapping is an option where passive deterrence isn’t keeping up with the problem. NestWatch’s guidance on trapping says that traps must be checked at least hourly to prevent non-target species from suffering unnecessary stress, and trap operators need sufficient identification skills to confidently distinguish house sparrows from native sparrows before removing any bird from a trap. This is a real requirement, not a suggestion.

Box traps placed inside nest boxes are one common approach. They must be removed when not actively monitored. The USFWS endorsement covers humane euthanasia of trapped house sparrows; relocation is ineffective because house sparrows rapidly reclaim territory or find equivalent habitat elsewhere.

Some state laws impose additional restrictions on trapping methods even for unprotected species, so checking with your state wildlife agency before setting any trap is worth the phone call.

If You Haven’t Put Up a Nest Box Yet

The best piece of advice, if you’re starting from scratch, comes from Sialis.org’s Thomas Valega: “It is better to have no nestbox at all than to allow House Sparrows to breed in one.” A nest box you put up and don’t monitor creates habitat for house sparrows at the expense of native birds. If you’re not willing or able to check a box weekly during nesting season, it’s worth waiting until you can.

We’ve written about attracting bluebirds and why most nest boxes go empty — a lot of that comes down to placement and the house sparrow problem. The short version is that monitoring is not optional. A box in sparrow territory without active management is a trap for native birds, not a benefit.

If you do monitor consistently and manage house sparrows as they appear, nest boxes are genuinely one of the highest-impact things a backyard birder can do for cavity-nesting native species. Keeping bird feeders clean and reducing window collisions are the other high-impact actions worth combining with nest box management for a yard that genuinely supports native birds.

Read More: How to Attract Bluebirds (And Why Most Nest Boxes Go Empty)

FAQ

Are house sparrows protected by law? No. House sparrows are non-native and specifically excluded from Migratory Bird Treaty Act protection. Their nests, eggs, young, and adults may be legally removed by individuals. Some states impose additional restrictions on specific removal methods; check with your state wildlife agency before trapping.

How do I tell a house sparrow from a native sparrow? Male house sparrows have a distinctive black bib, chestnut nape, and gray crown. Females are streaky brown but lack the crisp markings of most native sparrows. House sparrows are stockier and more aggressive at feeders than native sparrow species. Cornell Lab’s All About Birds has photo ID guides for comparison.

Will removing a house sparrow nest just cause them to rebuild immediately? Often yes, especially early in the season. Consistent removal every few days for one to two weeks typically exhausts their persistence for that location and causes them to move on. This works better as a strategy for a single box than across a trail of multiple boxes.

Can I relocate a trapped house sparrow instead of euthanizing it? Relocation is not an effective management strategy. House sparrows have strong homing ability and will typically return or establish equivalent territory nearby. Most experienced nest box managers consider euthanasia the only approach that reduces local population pressure.

The post How to Get Rid of House Sparrows Legally and Humanely appeared first on Give A Shit About Nature.