Muscle structure and body size predict the athletic performance of Olympic athletes, such as sprinters. The same, it appears, is true of wild seabirds that can commute hundreds of kilometers a day to ...

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 ...

Male birds tend to be better singers than females -- but does the basis for this difference lie in the brain or in the syrinx, their equivalent of our larynx? The researchers behind a new study ...

The power behind a ring dove’s trill belongs to the fastest class of vertebrate muscles known, reports a team of physiologists. This is the first demonstration of superfast muscles in a bird, the ...

Two species of small tropical birds called manakins can “clap” and “snap” their wings with incredible speed thanks to one of the fastest limb muscles ever known in vertebrates. And according to a new ...