Birds rely on natural timing patterns for survival and breeding. Climate change and urbanization disrupt these rhythms.

To get closer to his feathered neighbors, Adam Nicolson built a treehouse designed for both human and avian habitants.

These tiny, round birds are instantly recognizable with their black caps and bibs, white cheeks, gray backs, and warm buff ...

Explore why birds sing in the morning. Discover the biological factors behind their vibrant morning chorus and joyful songs.

Check out the bird species you might see at your backyard feeder this winter in different parts of Pennsylvania.

Bird flu has been circling the globe for decades. So the discovery in 2024 that the deadly pathogen had jumped from a wild bird to a cow came as a shock to virus watchers. Now, in just over a year, ...

Some 96 million Americans claim to engage in "birding" as a hobby. Cog editor Cloe Axelson is not one of them, and may never ...