Every autumn, billions of birds leave their breeding areas when the temperature drops and food gets scarce to spend the winter in more favorable climes, returning the following spring when warm ...

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 ...

Gillespie says that means the birds cannot fly or survive in the wild, eventually leading many of them to be humanely euthanized. Experts say those who do want to feed birds in the wild a snack should ...

Birds are all around us, and as such, we don't necessarily think about how incredible they are. These are creatures that descended from therapods, a group of two-legged dinosaurs to which the ...