Researchers examined dozens of bird species in museum collections looking for differences in the feathers and bodies between birds that can fly and birds that can't. They found that when birds evolve ...

Okay, we get it. The idea of flying a bird on a leash can sound fun and appealing to some pet owners, especially those who ...

Hummingbirds may end up on the ground for various reasons, including exhaustion, injury, illness, or being a fledgling that's not yet ready to fly. Recognizing these reasons can help you determine the ...

ATLANTA — Take one morning this week to sit outside and enjoy your morning cup of coffee or tea. If you listen and reflect, you'll hear a chorus of songs. Some of those songs may be from year-round ...

More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ostriches, and kiwi birds. In a new study in the journal Evolution, researchers ...