Decades of cognitive research reveal that parrots can understand what numbers represent. Here’s how these birds use them to ...

Frigatebirds can remain airborne for days at a time without landing. Here’s how they rest while flying, according to ...

Imagine zooming out on a giant family tree that includes every bird you have ever seen. Ostriches sprint across open plains, hummingbirds hover at flowers, penguins slice through cold seas, and eagles ...

A western snowy plover — a rare bird native to San Diego — was released back into the wild on Thursday, ending a weekslong rehabilitation that required specialized care from the veterinarians at the ...

A Washington resident has been hospitalized with a different strain of bird flu than those seen in past cases, state health officials announced Friday. The person was infected with a bird flu called ...