Birds that feed on nectar or fruit evolved better mechanisms for managing metabolism, blood pressure and high glucose.

Scientists studying data collected over more than three decades found accelerating losses. Their research offers clues about the causes.

The accelerating decline of birds is a bellwether of far deeper biodiversity crisis — one that threatens not only beloved species but the humans who live alongside them.

Anyone who has seen a hummingbird poking her beak deep into a trumpet creeper blossom, or a honeyeater using its brush-tipped ...

Migratory birds change how high they fly over deserts and seas. Wing shape, feather color, and heat all play a role in ...

Early birds and active folks are less likely to develop the degenerative brain disease called amyotrophic lateral sclerosis ...

The first day of spring is still a month away, yet many Georgia songbirds already are bursting out in song. Other are performing elaborate courtships to lure nesting mates.

Winter is normally a quiet time for Congress of the Birds, but the blizzard that left Rhode Island and Massachusetts buried in snow has kept the wildlife rehabilitation center busy.

If you are only interested in inviting nesting birds to your yard, the best time to put out birdhouses is late winter to early spring. For the South, this is by the end of February. This way, your ...