bird by a window

What to Do If a Bird Hits Your Window

It happens fast. A thud against the glass, and then you look outside and there’s a bird on the ground below your window, not moving. Your first instinct is probably to rush out and check on it. That instinct is good, but how you respond in the next few minutes makes a real difference in whether that bird survives.

The good news is that many birds recover from window strikes on their own. The bad news is that some won’t without help, and it can be hard to tell the difference right away. Here’s what to do.

Why birds hit windows

Before getting into what to do, it helps to understand why this keeps happening, because it affects how you respond and whether you can prevent it.

Birds don’t see glass the way we do. They either see a reflection of sky and trees and fly toward what looks like open space, or they see through a window to a plant or tree on the other side and head straight for it. They have no concept of glass as a barrier.

According to the American Bird Conservancy, up to one billion birds die from window strikes in the United States every year, making it one of the leading causes of bird mortality. That number is worth sitting with for a moment. It’s not a freak accident when a bird hits your window. It’s an extremely common event with a very preventable cause.

Step one: don’t rush outside immediately

This sounds counterintuitive, but give the bird a minute or two before you go out. A bird that has just hit a window is in shock. It may be sitting completely still, or lying on its side, or tilted forward on its face. That doesn’t necessarily mean it’s dying. It may just need time to recover, and your presence can add stress to an already stressed bird. Observe first from inside.

Step two: assess the situation from a distance

Look for immediate dangers before you go outside. Is there a cat nearby? A dog? Is the bird on a surface where it could easily be caught by a predator? If there’s an active threat, removing that threat first, or gently moving the bird to a safer spot, takes priority over waiting.

Also look at the bird’s posture. A bird in temporary shock will usually be upright or attempting to right itself, even if it’s wobbly. A bird with a more serious injury may be lying on its side, dragging a wing, or showing obvious bleeding.

Step three: if the bird is stunned but appears uninjured

This is the most common scenario. The bird hit the glass hard enough to stun itself but didn’t sustain a serious injury. It needs a safe, quiet place to recover.

Get a small cardboard box and line the bottom with a soft cloth or paper towels. Use gloves if you have them, or a light cloth to gently pick the bird up. Place it in the box and put a few small holes in the top for air circulation, then close it loosely. Put the box somewhere quiet, warm, and away from people and pets, like a garage or a quiet room. Do not put it in a dark closet with no airflow, and don’t place it somewhere cold.

Leave it alone. Do not try to give it food or water. Do not check on it every five minutes. The bird needs quiet and darkness to recover, and handling it repeatedly causes stress that can make things worse.

After about 30 minutes to an hour, take the box outside to a spot with trees or shrubs nearby, open it, and tilt it gently. If the bird has recovered, it will usually fly off on its own within a few seconds to a minute. If it flies away strongly, you’re done and it’s going to be fine.

If the bird doesn’t leave the box or tries to fly but can’t stay airborne, it needs more help.

Step four: if the bird is seriously injured

Signs of a serious injury include bleeding, a wing held at an abnormal angle, a leg that won’t support weight, or the bird being unable to hold its head up. A bird that was conscious when you found it but loses consciousness is also a serious sign.

If you see any of these, contact a licensed wildlife rehabilitator as quickly as possible. The National Wildlife Rehabilitators Association directory lets you search by zip code. Your local animal control office or a wildlife hotline can also connect you with someone quickly.

While you’re waiting or arranging transport, keep the bird in a warm, dark, quiet box as described above. Place a heating pad on its lowest setting under half the box so the bird can move toward or away from warmth as needed. Do not offer food or water.

Step five: if the bird dies

It happens, and when it does, it’s worth knowing that you can report window strike fatalities. The FLAP Canada Bird Friendly Building Program and the American Bird Conservancy both track this data, and it contributes to research that shapes building codes and bird-friendly design standards. It takes two minutes and helps in a real way.

How to stop this from happening again

A bird hitting your window once is a fluke. A bird hitting it repeatedly, or multiple birds hitting the same window, is a fixable problem.

The solution in every case is breaking up the reflection or transparency of the glass so birds perceive it as a solid surface. What doesn’t work well are a few decals spread apart, or a single hawk silhouette sticker, which birds simply fly around. What does work is coverage, specifically elements placed no more than two to four inches apart across the glass surface.

Options that actually work:

Window films and tape patterns are the most effective and low-effort solution. WindowAlert makes UV-reflective decals that are largely invisible to humans but visible to birds. CollidEscape makes films that go on the outside of the glass. The American Bird Conservancy’s BirdTape is a simple striped tape applied in vertical or horizontal lines two to four inches apart.

External screens or netting mounted a few inches away from the glass are the most effective option of all. Birds hit the mesh instead of the glass, bounce off harmlessly, and fly away.

Moving bird feeders is counterintuitive but sometimes effective. Feeders placed very close to windows, within about three feet, mean birds that do hit the glass are flying slowly enough that they don’t injure themselves seriously.

Feeders placed far away, more than 30 feet, reduce strike risk because birds aren’t approaching at full speed from that direction. It’s the middle distance, the five to twenty foot range, that produces the most dangerous strikes.

Rearranging plants visible through the glass, closing blinds partially, and applying tempera paint to outside glass surfaces temporarily are other low-cost options if you’re working through what will work best for your specific windows.

Frequently asked questions

How long should I wait to see if a stunned bird recovers on its own? If the bird is in a safe location with no predator threat, you can observe from inside for up to 30 minutes. If it hasn’t recovered or moved in that time, gently box it and give it quiet recovery time as described above, then reassess after an hour.

Is it okay to pick up a bird with bare hands? For a brief rescue, yes. The risk of disease transmission from a single brief contact is very low. That said, gloves or a light cloth are better practice if you have them handy, both for the bird’s comfort and yours. Wash your hands afterward.

What if the bird seems fine and flies off, but I’m still worried? If a bird flies off strongly after recovering from a strike, it is almost certainly fine. Birds that appear to recover but are actually injured typically can’t sustain flight, so a strong, directed flight away from your yard is a good sign. Watch for a minute or two to confirm it’s not landing immediately nearby and struggling.

Can a bird have internal injuries that aren’t visible? Yes. Internal injuries and brain trauma from window strikes are possible and not always immediately apparent. A bird that seems to recover but then dies within a day or two likely had internal injuries. This is uncommon, but it’s a reason to err on the side of contacting a rehabilitator if you’re unsure whether the recovery was complete.

Will the same bird hit my window again? Possibly, particularly during migration season or if your window reflects a specific tree or feeder the bird frequents. This is why addressing the window itself, rather than just helping the current victim, is the lasting solution.

What is the most effective thing I can do to prevent window strikes? External netting or screen mounted a few inches away from the glass. It’s more effort than decals, but it’s the most reliably effective solution for windows that see repeated strikes. For most windows, ABC BirdTape or a similar closely-spaced pattern applied to the exterior glass surface is the most practical and proven option.

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