Experts are closely monitoring the marine animals, flagging mortalities and advising beach visitors to take extra precautions ...

An avian flu outbreak at California's Año Nuevo State Park is spreading across the Central Coast, infecting elephant seals, a ...

Scientists estimate more than 60 marine mammals may have been infected by the virus.

The Michigan Department of Agriculture and Rural Development has confirmed an outbreak of bird flu among a commercial poultry ...

Wildlife authorities confirmed Thursday that nine more elephant seals, a sea lion and an otter have died from bird flu at Ano ...

The first seven cases of avian influenza were confirmed by preliminary testing at UC Davis and confirmatory testing by the ...

Patrick Robinson, a biologist and director of the UC Santa Cruz Año Nuevo Natural Reserve, said that about 47 elephant seals ...

For the first time, confirmation of the deadly H5N1 virus has been detected in California's elephant seal population.

Wisconsin's fourth largest egg producer, Daybreak Foods, faces two more bird flu outbreaks in less than 2 weeks, impacting millions of hens.

According to the governor's office, more than half of all avian flu cases in the United States are in Pennsylvania.

The Georgia Department of Agriculture says the state is now free of Highly Pathogenic Avian Influenza (HPAI), but the work continues to make sure the risk is over.

Bird flu outbreaks fuel push to sell public land near Wisconsin egg operation; critics warn public lands at risk under ...