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.

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

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 ...

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

Park goers may have noticed an increase in dead or dying birds lately amid an active outbreak of Highly Pathogenic Avian Influenza, or bird flu, throughout the state. New Jersey reported the ...

Experts are closely monitoring the marine animals, flagging mortalities and advising beach visitors to take extra precautions. Meanwhile, a Sonoma County poultry facility was struck by bird flu in ...

In 2026, bird flu has already been detected in six backyard flocks in Iowa. Four of those were confirmed across the span of ...

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

Highly pathogenic bird flu has quietly spread into another cluster of live-bird markets, with federal data and state alerts flagging nine new detections nationwide. Eight are in New York City and one ...

The latest strain of the disease, known as H5N1, is now raging through its fourth winter season and is proving deadly to a ...

Several dead geese have been reported along the Geneva lakefront as officials monitor potential impacts from bird flu confirmed in Seneca Lake wildlife. City of Geneva officials say staff are checking ...