COVID-19, scientists are watching another virus warily: H5N1. It’s been circulating widely in the U.S. — and now, wild birds are set to start north for migration season.

The massive annual spring migration of America's birds – millions of them – is underway. Here's how to follow along at home.

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.

human-caused threat — just months after being released from the Los Angeles Zoo into the wild. The bird, Pey-noh-pey-o-wok, had been flying freely for only three months when he died in the ...

The massive annual spring migration of America's birds – millions of them – is underway. Here's how to follow along at home.

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.

BirdCast has live, local bird migration alerts so you can see who's flying through your area at ... mourning doves, wild turkeys and in Florida many types of herons. Altitudinal migrants ...