Two pairs of Michigan bald eagles could become parents any day now, and the public can watch as it happens. The eagles, in ...

When we think of hummingbirds, speed is often the first thing that comes to mind. These fast-flying birds are practically hyperactive in their behavior, with the metabolism to prove it. Hummingbirds ...

Dallas Zoo welcomes endangered baby ruppell griffon vulture to Wings of Wonder exhibit on March 15, less than 50 birds total ...

Hummingbirds have high metabolisms, but what's even more surprising is the metabolism rate of their hatchlings.