The Cornell Lab of Ornithology today announced the release of a new online tool for studying biodiversity and the ...

It’s easy to lump all sparrow bird types together: “Yep, looks like a sparrow to me.” You can find at least 33 species of native sparrows across the country. And while their plumage won’t sweep you ...

A group of scientists has released the first comprehensive list of birds that haven’t been documented in more than a decade, with the help of Macaulay Library at the Cornell Lab of Ornithology. Their ...

"It's a tough time to be a bird right now," one expert said. As the United States marks National Bird Day on Jan. 5, the majority of bird species in the U.S. face a grim future in coming decades if ...

Flightless Birds in the World: Birds are some of the most fascinating creatures in the animal kingdom. But what about birds that don’t fly at all? For centuries, humans have envied the freedom of ...

Some 144 bird species had not been seen in at least a decade, but a project by conservation organizations proposes they all may still be hidden somewhere in the wild. Clockwise from top left: Santa ...