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.

Two weeks after scientists confirmed the first-ever outbreak of avian influenza, or bird flu, in elephant seals along the ...

Since 2022, Iowa bird owners have been battling bird flu. Formally known as H5N1 HPAI, it’s highly contagious and often ...

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 ...

Avian influenza has reached the U.S. west coast’s marine mammal population. Young northern elephant seals located at Año Nuevo State Park have tested positive for H5N1, a deadly virus also known as ...

After H5N1 bird flu was detected in elephant seals gathered at Año Nuevo State Park, other marine mammals have also succumbed, including a sea otter and sea lion. So far, only animals in San Mateo ...

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

Bird flu (H5N1) confirmed in a Jefferson County poultry flock. Risk to the public is low; officials urge biosecurity and avoiding sick or dead birds.

More than four out of every five dead black vultures examined by University of Georgia researchers tested positive for highly pathogenic avian influenza, according to a new study published in ...

The severe weather in the first two months of 2026, however, has apparently created the perfect conditions for a waterfowl ...