Birds without natural immunity that migrate or roost together in large flocks, such as geese, are most likely to die in large ...

In the case of critically endangered California condors, scientists organized a vaccination program -- including in San Diego ...

More than 170 species of North American wild birds were infected with bird flu. Here's what it means for your backyard bird ...

But what has been the toll on wild birds? More than 170 species of North American wild birds – including ducks, geese, gulls, owls, eagles and others – have been infected with bird flu.

But what has been the toll on wild birds? More than 170 species of North American wild birds – including ducks, geese, gulls, owls, eagles and others – have been infected with bird flu.

"Birds serve as important indicators of environmental conditions." Scientists make disturbing discovery after examining the ...

From those in captivity to the feathered friends at your feeders, learn how long birds live, and what factors affect their ...

But what has been the toll on wild birds? More than 170 species of North American wild birds – including ducks, geese, gulls, owls, eagles and others – have been infected with bird flu.