If a bird is stunned on the ground after hitting glass, protect it from cats, dogs, traffic, weather, and people. If it is unsafe where it lies, gently place it in a small, ventilated cardboard box or unwaxed paper bag. Keep the container closed in a dark, quiet place at a comfortable indoor temperature, do not give the bird food or water, and contact a licensed wildlife rehabilitator as soon as possible.
An upright, alert bird that is already in a protected spot can be observed briefly from a distance while you locate professional help. Any bird that cannot fly, remains grounded for about 30 minutes, or shows abnormal signs should be contained and referred to a rehabilitator. A bird that flies away may still have hidden injuries.
What to do right now
- Make the area safe. Bring cats and dogs indoors and keep children and bystanders away. Do not stand over the bird, repeatedly touch it, or crowd it with cameras and phones.
- Observe without chasing. From a distance, check whether the bird is upright, alert, breathing normally, and able to stand or perch.
- Look for emergency signs. Blood, an open wound, a hanging or deformed wing, inability to stand, an abnormal head position, closed or swollen eyes, labored breathing, seizures, repeated rolling, severe lethargy, or unresponsiveness all require prompt professional help.
- Move it only if necessary. A bird on a road, walkway, or exposed ground is at immediate risk from vehicles, predators, people, cold, heat, or rain. If it is a small bird and can be handled safely, contain it as described below.
- Keep it dark, quiet, and contained. Use a small ventilated box or unwaxed paper bag. Do not use an open cage or transparent container.
- Do not feed or water it. Do not pour water into the beak, use a dropper, or put seed, bread, milk, insects, fruit, or pet food in the container.
- Call a wildlife rehabilitator. In the United States, start with Animal Help Now or your state wildlife agency. Call before driving over because hours, species accepted, capacity, and transport arrangements vary.
This is short-term first aid and transport—not home rehabilitation. Do not try to diagnose a concussion, splint a wing, clean a wound, remove blood, or give medication.
Should you leave the bird alone or put it in a box?
There is a genuine difference among reputable wildlife sources about how quickly to contain a mildly stunned bird. The safest practical approach is to base the decision on the bird’s condition and surroundings rather than applying one universal waiting period.
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| What you see | What to do |
|---|---|
| The bird is upright and alert, and is in a protected place away from predators, traffic, pets, people, and severe weather. | Observe quietly from a distance for a short time while contacting a rehabilitator. Avoid unnecessary handling. |
| The bird is on exposed pavement, near a road, or accessible to a cat, dog, crow, or crowd. | Gently contain it if it is a small bird and you can do so safely. Leaving it exposed is more dangerous than brief, careful handling. |
| The bird cannot stand, perch, hold its head upright, or fly; one wing hangs lower; or there is blood, swelling, or abnormal breathing. | Contain it and seek immediate professional help. |
| The bird remains still or does not improve after approximately 30 minutes. | Treat it as injured rather than merely stunned. Contain it and contact a rehabilitator. |
| The bird is fully active but struggling violently in a box, and no rehabilitator can be reached. | Do not make an automatic release decision. Call wildlife agencies, rescue groups, or veterinary facilities for release instructions. |
| The bird is a hawk, owl, eagle, falcon, or another large bird. | Do not handle it unless a professional specifically instructs you. Keep people and pets away and call a rehabilitator, raptor center, animal-control agency, or wildlife agency. |
The International Wildlife Rehabilitation Council, Cornell Lab of Ornithology, and U.S. Fish and Wildlife Service-linked guidance emphasize slightly different points. This conditional approach combines avoiding needless handling with protecting a vulnerable bird from immediate danger.
How to safely contain and transport a small bird
- Put on disposable gloves if available. Keep your hands away from your face and wash them thoroughly afterward. If gloves are not available and the bird must be moved from immediate danger, minimize contact and wash your hands as soon as possible.
- Approach slowly from behind. A soft cloth or towel can gently cover the bird and reduce struggling.
- Use both hands, but do not squeeze. Never compress the bird’s chest. Birds need their chest to move freely for breathing, and excessive restraint can suffocate or injure them.
- Place it in a small cardboard box with a secure lid and several small air holes. An unwaxed paper bag that can be closed safely is another option. The container should not be so large that the bird can build up speed and injure itself, or so small that it is cramped.
- Line the bottom with paper towel or tissue. This gives the bird traction. Some rehabilitators permit cloth, but loose threads and fabric loops can catch toes; paper towel is the safer general-public default. If cloth is necessary, use a clean, smooth piece without loops or loose threads.
- Keep the container closed. Place it in a dark, quiet, predator-free location at a comfortable indoor temperature, away from drafts and direct heat. Do not put it on a hand, shoulder, or lap.
- Do not keep opening the box. Repeated checking, handling, photographs, noise, and exposure to pets or people increase stress and can cause further injury.
- Transport only after calling. Ask the rehabilitator whether to bring the bird, where to go, and what transport conditions they recommend.
Detailed collision-specific instructions are available from the International Wildlife Rehabilitation Council and wildlife rehabilitation organizations.
Do not give the bird food or water
A stunned or neurologically impaired bird may be unable to swallow normally. Liquid or food placed in its mouth can enter the lungs, and the appropriate diet depends on the species and injury. A dish also does not make feeding safe. Until a wildlife professional instructs you otherwise, give the bird no food and no water.
That means no water by dropper, no poured water, and no seed, bread, fruit, insects, milk, or pet food. Collision victims need quiet containment and qualified assessment, not improvised treatment.
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Find a wildlife rehabilitator
For readers in the United States:
- Animal Help Now provides time- and location-specific contacts for wildlife rehabilitators, veterinarians, rescues, and hotlines.
- Search your state wildlife agency for a licensed wildlife-rehabilitator directory.
- Call a local wildlife hospital, bird rescue, raptor center, or emergency veterinary hospital that accepts wild birds.
- If you are outside the United States, use the International Wildlife Rehabilitation Council’s international rehabilitator resources.
Tell the person who answers the bird’s location, the apparent species or size, the time of the collision, visible symptoms, whether it is contained, and whether you can transport it. If nobody answers:
- Try Animal Help Now again and contact your state wildlife agency.
- Call nearby wildlife hospitals, bird rescues, raptor centers, humane societies, animal-control agencies, and emergency veterinarians for referrals.
- Leave a concise voicemail with the details above.
- Keep the bird closed in a dark, quiet box without food or water while waiting for instructions.
- If it becomes fully alert and is injuring itself by struggling, obtain professional release guidance rather than keeping it confined indefinitely or releasing it without advice.
Special situations
Hawks, owls, eagles, falcons, and other raptors
Do not casually pick up a raptor. Even a dazed bird can strike with its beak or grab with powerful talons. Keep pets and people away, maintain a safe distance, and call a licensed wildlife rehabilitator, raptor center, animal-control agency, or state wildlife agency. Eagles and some other protected species can involve additional federal and state requirements; the U.S. Fish and Wildlife Service rehabilitation-permit guidance explains the federal framework.
Hummingbirds
Hummingbirds are especially small and fragile. A grounded or stunned hummingbird, one unable to hover, or one showing any abnormal sign should receive professional guidance. Contain it only if that can be done safely, using the same dark, quiet approach, and contact a rehabilitator experienced with hummingbirds. Do not improvise sugar water, force water into its beak, or attempt treatment at home.
A bird caught by a cat or dog
This is a separate emergency, even if the bird appears able to fly. A cat’s or dog’s teeth can leave tiny punctures that are difficult to see, and infection can progress quickly. Do not release a bird merely because it flies. Keep it contained and contact a wildlife rehabilitator immediately. Tell the rehabilitator that a cat or dog had the bird in its mouth or caught it.
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Not every small bird on the ground is injured. A fully feathered fledgling may be learning to fly while its parents feed it nearby. A sparsely feathered nestling may need to be returned to its nest or referred for help. If you saw the bird strike a window immediately before finding it, follow the collision protocol; otherwise, first use the U.S. Fish and Wildlife Service baby-bird guidance to distinguish a fledgling from a nestling. Do not move a healthy fledgling into a box simply because it is on the ground.
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Blood, breathing trouble, or a broken bone
These signs require immediate professional help. Do not wash the bird, remove blood, straighten a limb, splint a wing, apply ointment, or administer medicine. Keep handling to the minimum needed for safe containment and transport.
What if the bird flies away?
Immediate flight is encouraging, but it does not prove that the bird is uninjured. A collision can cause head trauma, eye damage, a beak fracture, respiratory or air-sac injury, bruising, or internal bleeding that is not obvious from the outside. Some birds can fly briefly and then deteriorate.
If the bird flies strongly, maintains normal balance, and leaves the area, note the time and the window involved. If it flies weakly, lands immediately, crashes again, appears off-balance, cannot gain altitude, or behaves abnormally, contain it if safe and seek professional help. If a rehabilitator advises release, carry the closed box outdoors to a safe location away from the building, roads, windows, pets, and heavy foot traffic. Open the box toward suitable vegetation or habitat, step back, and let the bird leave on its own. Never throw it into the air.
How to tell whether a bird is dead
Do not poke, shake, stretch, or repeatedly handle an apparently dead bird. An unconscious bird can be mistaken for a dead one, and an untrained person should not manipulate its neck or legs to test it. Observe quietly for breathing or involuntary movement; if there is any doubt, contact a rehabilitator or local wildlife authority.
If the bird is confirmed dead:
- Wear gloves or use an inverted plastic bag to pick it up.
- Keep children and pets away from the carcass.
- Follow local rules for disposal or reporting, particularly if there are multiple dead birds or the bird appears sick rather than simply collision-injured.
- Record the species if known, date, location, and window. A photograph taken without repeated handling may help with a collision report.
- If it has a band, report the band through the USGS Bird Banding Laboratory.
For routine brief handling, gloves and thorough handwashing are sensible precautions. Avoid contact with your face. More extensive precautions are especially important around obviously sick or dead birds, multiple carcasses, poultry, contaminated material, or suspected avian-influenza exposure; consult CDC guidance for handling sick or dead birds in those situations.
Can you keep the bird overnight?
Do not keep a wild bird as a pet or attempt overnight rehabilitation at home. In the United States, federal rules generally require a migratory-bird rehabilitation permit to take, transport, or temporarily possess a covered wild bird for rehabilitation. A narrow Good Samaritan provision allows a finder to take possession for immediate transport to a permitted rehabilitator or licensed veterinarian; state rules may be stricter. See 50 CFR § 21.76 and the U.S. Fish and Wildlife Service permit information.
In practical terms, a box is for short-term protection while you arrange professional care—not a place to observe the bird for days, feed it, or treat it yourself.
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A window strike can involve more than a conventional house window. Birds also collide with sliding glass doors, office and apartment windows, glass railings, bus shelters, covered walkways, atriums, reflective building façades, and transparent corners or paired windows that look like an open flight path.
During the day, glass may reflect sky, trees, or other vegetation. A bird sees what appears to be habitat and flies toward it. It may also see through one pane toward plants, another bright opening, or the sky beyond. In spring, some birds attack their own reflection during territorial behavior. At night, artificial light can disorient migrating birds and draw them toward buildings.
The U.S. Fish and Wildlife Service explains that more than one billion bird collisions with glass occur annually in the United States, and its homeowner guidance says nearly half of collisions occur at homes. Exact estimates vary with survey methods and with whether researchers count carcasses, injured birds, or birds that disappear after a strike.
One 2024 study of 3,159 building-collision cases admitted to rehabilitation centers in the Northeastern United States found that, after excluding birds dead on arrival and one educational placement, 39.5% were released, 32.1% died during treatment, and 28.4% were euthanized. Those figures describe birds that reached rehabilitation facilities from 2016 through 2021—not the survival rate for every bird that hits a window. Research also indicates that apparently unharmed birds may later die from collision injuries; therefore, immediate flight should not be treated as proof of full recovery. See the 2024 rehabilitation-outcomes study and USGS collision research.
Prevent another collision
Treat the exact pane where the bird struck first. The goal is not to decorate the glass with one recognizable shape; it is to break up the apparent opening and reflection across the entire hazardous surface.
- Install an exterior insect screen. A screen reduces reflection and cushions impact, making it one of the most practical retrofits.
- Apply a dense exterior pattern. Use exterior tape, paint, film, decals, or other markers in a pattern with no gaps larger than 2 inches by 2 inches if small birds need to be protected. Current conservative guidance favors this grid. Some older recommendations allow vertical lines up to 4 inches apart and horizontal lines up to 2 inches apart, but sparse patterns can leave risky openings.
- Hang exterior paracord or a bird-safe cord curtain. Three-dimensional cords disrupt reflections and can use roughly 3- to 4-inch spacing, provided the treatment is properly installed and covers the hazard.
- Do not rely on one hawk silhouette or a few stickers. A single predator decal, one or two decorative stickers, or widely spaced shapes leaves large gaps that birds can still try to fly through. The American Bird Conservancy retrofit guidance explains why sparse decals are ineffective.
- Use the exterior surface for daytime hazards. Exterior markers interrupt the reflection before the bird reaches the glass. Interior curtains or decals may be hidden by the outside reflection and should not be presented as a universal daytime fix.
- Install netting carefully. If netting is used, it must be tight and have openings no larger than about one-half inch so birds do not become entangled. Loose or poorly installed netting can create a different hazard.
- Review feeders, baths, and birdhouses. These can draw birds toward a hazardous pane. A feeder within approximately 3 feet of glass limits the distance available to build speed and may reduce the severity of an impact, but it does not make the window safe. Treat the nearby window regardless of feeder placement.
- Reduce nighttime light. Turn off unnecessary indoor and outdoor lights during spring and fall migration, close curtains or blinds at night, and shield outdoor lights so they point downward and away from windows. Lighting changes help with nocturnal migration but should supplement physical window treatments.
For measurements and treatment options, compare the U.S. Fish and Wildlife Service homeowner guide, current Stop Bird Collisions recommendations, and American Bird Conservancy’s glass-safety strategies. If a window has already caused a strike, prevention should not wait for another bird to be injured.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.FAQ
Should I give a stunned bird water?
No. Do not put water in its beak, use a dropper, or place a water dish in the box unless a wildlife professional specifically tells you to. A stunned bird can aspirate liquid.
How long should I wait before helping?
There is no safe universal timer. Briefly observe only when the bird is upright, alert, and protected. If it is exposed, abnormal, grounded, or not improving after about 30 minutes, contain it and call a rehabilitator.
What if the bird flies away immediately?
Flight is encouraging but not conclusive. Hidden head, eye, beak, respiratory, or internal injuries may remain. Seek help if the bird flies weakly, crashes again, lands immediately, or appears unbalanced.
Do bird stickers really work?
A few stickers do not reliably prevent collisions. Use a dense pattern across the entire pane, with no gaps larger than 2 inches by 2 inches for conservative protection of small birds. Exterior placement is generally more effective for daytime reflection hazards.
Should decals go inside or outside the window?
For daytime collisions, exterior treatments are preferred because they interrupt the reflection on the surface the bird sees. Interior treatments can help reduce light escaping at night but may be hidden by exterior reflections.
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Should I move my bird feeder 3 feet from the window?
A feeder within about 3 feet can reduce the speed of a bird’s approach, but it does not make the window safe. Treat the window itself, regardless of where the feeder is placed.
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What if a cat touched the bird?
Contain the bird and contact a rehabilitator immediately, even if there is no visible wound and the bird can fly. Cat and dog bites or mouth contact can cause tiny punctures and rapidly progressing infection.
Can I keep a wild bird overnight?
Do not attempt home rehabilitation or long-term possession. In the United States, temporary possession of many migratory birds for rehabilitation is regulated; transport the bird promptly to a permitted rehabilitator or licensed veterinarian and follow state rules.
Is a bird that is sitting still after hitting a window dead?
Not necessarily. An unconscious bird can look dead. Do not poke or shake it; observe quietly for breathing or movement and contact a wildlife rehabilitator if there is any doubt.
Can I put a stunned bird in an open birdcage?
No. An open or transparent cage exposes the bird to people, pets, and activity and may cause it to struggle. Use a secure, ventilated cardboard box or safely closed unwaxed paper bag in a dark, quiet place.
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What should I do if no wildlife rehabilitator answers?
Try Animal Help Now, your state wildlife agency, nearby wildlife hospitals, bird rescues, raptor centers, emergency veterinarians, humane societies, and animal-control agencies. Leave a detailed voicemail and keep the bird contained without food or water while waiting for instructions.
Is it safe to handle a bird that hit glass?
Brief handling is usually necessary only to remove a small bird from immediate danger or place it in a box. Wear gloves if available, approach from behind, avoid squeezing the chest, keep pets away, and wash your hands afterward. Do not handle raptors unless instructed by a professional.
The Bottom Line
Protect, contain when necessary, keep quiet, give no food or water, and call a wildlife rehabilitator. Observe a bird briefly only if it is upright, alert, and already safe. Any bird that remains grounded, shows injury or abnormal behavior, was caught by a cat or dog, or is a raptor needs professional guidance. Then make the offending glass safer with a complete exterior pattern or screen—not a lone sticker.
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