There are close to forty species of birds of paradise in New Guinea and no two look alike. The Red bird of paradise (Paradisaea rubra) is deep crimson with yellow highlights and has a pair of long ...

Sam Walters is the associate editor at Discover Magazine who writes and edits articles covering topics like archaeology, paleontology, ecology, and evolution, and manages a few print magazine sections ...

Basal rate, regarded as the standard rate of metabolism in endotherms, conforms to a power function that increases with body mass and varies with food habits, climate, body composition, a continental ...