Among the roughly 10,000 known bird species on Earth, only one family can sustain true backward flight. Hummingbirds achieve this feat through a wing anatomy and stroke pattern found nowhere else in ...

With the work it takes to raise a hummingbird family, females are typically scarce through the summer. But now, they're starting to appear.

Everyone loves to watch hummingbirds—tiny, brightly colored blurs that dart about, hovering at flowers and pugnaciously defending their ownership of a feeder. But to the scientists who study them, ...