A new study shows that one group of Galápagos yellow warblers responds to intruders more aggressively than others. It adds ...

Spring in the Arctic brings forth a plethora of peeps and downy hatchlings as millions of birds gather to raise their young.

A major collection of more than 50 bird fossils found in northern Alaska suggest some ancient ancestors of modern birds ...

Squeaky stuffed animals are endearing. But when the animal is a real baby bird and its stomach makes crunching noises from ...

On a remote, crescent-shaped island surrounded by crystal clear ocean, live some of the most plastic-contaminated birds in ...