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 ...

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 ...

Do you know why blue-footed boobies have blue feet? Author Laura Erickson does, and you’ll find the answers to this and many other great questions in her book, The Bird Watching Answer Book. (For the ...