Birds are fascinating creatures of the animal kingdom, with four species of hummingbirds topping the list of the world’s ...

A captive Anna’s hummingbird feeds ... theorized that flying animals have a cruise control circuit in their brains to balance movement across their field of vision. Bees do this.

Birds are vertebrate animals adapted for flight ... The largest is the nine-foot-tall ostrich. The smallest is the two-inch-long bee hummingbird. Everything about the anatomy of a bird reflects ...