A highly contagious strain of avian flu has been detected in northern elephant seals at Año Nuevo State Park, the first time the disease has been detected in California’s marine mammal population.

Parks officials in California have cancelled popular guided elephant seal tours for the remainder of the season and temporarily closed public viewing areas following a recent outbreak of bird flu ...

The beaches of South Georgia, a remote splinter of ice and rock in the South Atlantic, should be a place of deafening, chaotic life. Normally, the shores host the planet’s largest gathering of ...

"This is exceptionally rapid detection of an outbreak." ...

For the last year and a half, Americans have watched and worried as H5N1 bird flu racked dairy herds and killed hundreds of millions of commercially raised chickens, turkeys and ducks. But far less ...

A “small number” of elephant seal illnesses recently observed near Año Nuevo State Park on the San Mateo County coast has ...