In early March 2026, 21 dead geese were seen at the Central Park Reservoir, while the Wild Bird Fund reported a sharp increase in suspected avian influenza cases during the preceding winter. For anyone with an indoor-outdoor cat in Brooklyn, that is not just a wildlife story. Bird flu cases have already appeared in New York City households, but the NYC Health Department says the risk to most pets, including cats, remains low.
Quick Answer: Bird Flu NYC Cats
H5N1 avian flu was detected in two indoor cats in New York City, while a third indoor cat was suspected to have been infected but was not tested; all three were connected to the same recalled lot of raw poultry pet food, and the city has not reported bird flu in outdoor cats. Cats appear particularly susceptible to severe H5N1 illness, and two cats in New York City’s raw-food-associated cluster died, while a third suspected cat survived. The New York City Health Department advises against feeding cats raw food or raw milk and against letting them roam near wild birds.
Bird Flu NYC Cats: What’s Happening Right Now
Highly pathogenic avian influenza has been circulating in New York wildlife since 2022, but reporting this year points to a real escalation. Per a 2026 Mongabay investigation, the Wild Bird Fund logged a sharp increase in suspected cases over the winter, and the Central Park Reservoir alone turned up 21 dead geese in early March 2026. In New York State, H5N1 has been confirmed in species including bald eagles, red-tailed hawks, owls, swans, and geese, with some bird deaths also reported in New York City parks.
The New York State Department of Environmental Conservation maintains an online form for reporting suspected H5N1-related bird deaths, and the Cornell Wildlife Health Lab works with state and federal partners to track H5N1 detections. Statewide, H5N1 has also been confirmed in wild mammals including raccoons, striped skunks, red foxes, opossums, bobcats, gray squirrels, and muskrats. None of that would matter much to a Brooklyn pet owner if the virus stayed confined to wild animals, but it has not stayed confined.
Cats do not need to hunt a sick bird to get infected. According to the American Veterinary Medical Association, more than 150 cases of highly pathogenic avian influenza in cats had been documented across 25 states as of April 2026, with exposures including infected wildlife, raw poultry-based pet food, and raw milk. New York has already recorded fatal cases in city households, showing that indoor household cats can also be affected.
Why Cats Are Especially at Risk
Cats Get Sicker Than Most Species
Veterinary researchers have flagged cats as unusually susceptible to severe H5N1 illness compared to dogs. Once infected, cats have a high fatality rate, and symptoms can escalate quickly: lethargy, loss of appetite, breathing trouble, and neurological signs like tremors or disorientation.
Raw Food Is a Documented Transmission Route
New York City’s Health Department linked two confirmed feline infections and one suspected case to a recalled lot of raw poultry pet food based on the cats’ exposure histories and laboratory findings. That is one of the more preventable exposure paths, since it does not depend on where a cat spends its time outdoors.
What Brooklyn Cat Owners Should Actually Do
The practical response here is simpler than the headlines suggest:
- Keep cats indoors, especially near parks, waterfronts, or anywhere dead or sick birds have been reported
- Skip raw poultry pet food and raw milk products entirely
- Do not let cats near dead birds, and wash hands and change clothes after any accidental contact
- Watch for lethargy, appetite loss, or breathing changes and call a vet immediately if they appear
Staying current on routine parasite and disease prevention still matters here too. Routine veterinary examinations and complete medical records can give your veterinarian useful context when evaluating new symptoms, but flea prevention and standard feline vaccines do not protect against H5N1.
What Most Coverage Misses
Most bird flu coverage in New York is written for birders and wildlife agencies, not pet owners. The connecting thread rarely gets spelled out: this is a wildlife story that is already a household pet story, and Brooklyn’s waterfront areas and outdoor cats make the issue relevant to local pet owners.
Dog owners are not off the hook either, even though confirmed feline cases outnumber canine ones. Heartworm prevention protects against mosquito-borne heartworm disease, but reducing H5N1 exposure requires the separate precaution of keeping pets away from sick or dead wildlife.
Officials continue to describe the risk to people as low, and there is no confirmed human-to-human spread in the current outbreak. That is real reassurance, but it does not change the calculus for cats, who remain far more vulnerable than the humans in the house. A cat that roams outdoors or can directly contact wild birds, bird droppings, or contaminated areas is at higher risk than a cat kept strictly indoors.
Final Thoughts on Bird Flu NYC Cats
The bird die-offs in Central Park are not an isolated event. They are part of a documented statewide increase in wildlife cases, while New York City’s reported household cat cases were associated with raw poultry pet food rather than confirmed outdoor-wildlife exposure. Keeping cats indoors and off raw food is the single biggest lever Brooklyn owners have right now.
If your cat has been outdoors and develops signs of illness, call our Carroll Gardens office or book online at The Vet Set right away.