From their feathers to feet, learn more about the major features of bird anatomy and what makes these fascinating animals so ...

A new theory of the origin of birds, traditionally believed to be driven by the evolution of flight, is now being credited to the emergence of enlarged skeletal muscles in birds. Their upright ...

To take flight, first strengthen your legs: It sounds like a self-help proverb, but it could explain how birds first took wing. Until now, most explanations of the evolution of flight have assumed ...

Migrating thousands of miles every year requires insane amounts of energy. But that’s still nothing compared to the amount of water birds need to remain hydrated… and the drastic steps birds take to ...