Thousands of birds are expected to take to the skies in coming nights, triggering a migration alert in the Chicago area.

They’re blue, round, and small. And birdwatchers throughout Alabama are hoping to catch sight of one before they head north for the summer. The cerulean warbler is one of many bird species that ...

A new report found that the bird population of the United States is declining, which experts said is a major issue.

“The easiest thing you can do to help save birds’ lives right now from your home is to shut off the lights at night,” ...