The bird’s flight is strong and steady, with wings rarely flexed above horizontal. Polytypic. Length 11.5". A nearly unmistakable dark blue, black-crested jay with variable white or blue ...

Uncover the mysteries of hummingbirds. How does the white-necked jacobin trick predators through mimicry? Find out now.

A baby hummingbird hatches. But it has fluffy feathers on its back, looking just like a dangerous caterpillar. Could this be ...