Now in its 15th year, this photo competition brings us the beauty of the avian world — while focusing on the tragic fact that two-thirds of North American birds are threatened by extinction.

The calliope hummingbird, North America's smallest bird, migrates through Utah each summer. A banding event on July 19 at Red ...

They are among the largest birds in North America, and they're arriving now in Southwest Florida. American white pelicans migrate to this region during late fall and early winter months, staying ...

Birds are a critical part of the ecosystem. If they can’t survive on the North American continent or in the world, other life forms may not make it either.

North America’s overall bird population has dropped 29% since 1970, with about 3 billion fewer birds now than nearly 50 years ago, according to a study published Thursday in Science.

Our bird populations are dying off. Here's how we can save them. North America's bird populations have declined 29% in the past 50 years, but the news isn't all bad.

According to a new study from the National Audubon Society, a nonprofit environmental group dedicated to wildlife conservation, nearly two-thirds of the North American bird population is facing ...

But new research published Thursday in Science shows bird populations have continued to plummet in the past five decades, dropping by nearly three billion across North America—an overall decline ...

The mass disappearance of North American birds is a dire warning about the planet’s well-being. Sept. 19, 2019. A flock of red-winged blackbirds over Long Island, ...

This change, which will affect some 150 North American birds, has been a long time coming. Ornithologists and amateur birders alike have long wrestled with the historical nature of bird names ...

As the climate crisis worsens, so does pressure on wildlife. The number of birds in North America has declined by 3 billion in the last 50 years. Brooke Bateman, director of climate science at the ...