Another spillover of the H5N1 bird flu virus from wild birds to dairy cattle appears to have occurred, this time in Arizona.

Boulder County Health officials said the bird was found on private property near a flock of chickens kept in a run.

More than 300 dead wild birds have been collected by Michigan's Department of Natural Resources in 2025. Avian flu is ...

State wildlife officials are receiving reports of dead wild birds in southern Michigan during the current bird flu outbreak.

Massachusetts officials are warning of a widespread bird flu outbreak suspected in the deaths of hundreds of wild birds. The ...

The Wisconsin Department of Natural Resources (DNR) announced Friday, Feb. 14 that laboratory tests have identified the H5 ...

For most of last year, Utah saw few cases of avian flu. That changed in the fall, and more cases are being reported, state ...

Wildlife questions answered by Maine Audubon Staff Naturalist Doug Hitchcox.

Highly pathogenic avian influenza was detected in a Nebraska backyard poultry flock in Saunders County, state officials ...