In the U.S. 42 species of birds have low and steeply declining populations that put them on the brink of disaster, scientists ...

The only forms of life more widely distributed than birds are microscopic. To survive in so many different habitats, the world’s 10,000 or so bird species have evolved into a spectacular ...

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

A new report on the state of birds in the United States has an urgent warning: bird populations across nearly every habitat are declining, with about one-third of U.S. bird species in critical ...

Sea ducks such as Common eiders, grassland birds such as Western meadowlarks and Lark buntings, and forest species such as Pinyon jays in the West and Bachman's sparrow in the East are among a wide ...

Science has published two studies, led by an Ikerbasque researcher at the Achucarro Basque Center for Neuroscience and ...