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

Bird flu has devastated poultry and dairy farms, and sent the price of eggs soaring in the United States since it was first detected in North America in late 2021. But what has been the toll on wild ...

In the case of critically endangered California condors, scientists organized a vaccination program -- including in San Diego -- after some birds became infected; however, that’s not a realistic ...