Flightless species of birds (such as ostriches, which are the largest living birds) tend to outsize any of the largest birds ...

Do you know why blue-footed boobies have blue feet? Author Laura Erickson does, and you’ll find the answers to this and many ...

Birds have feathers and a beak and lay hard-shelled eggs. Many birds are able to fly using their wings, but others such as ostriches are flightless and unable to fly. Some birds like penguins ...

It is recognizable by its dark-brown face, long, white neck, and of course, a white backside that can only be seen when the bird is in flight. Its wings, which are white on top and brown on the ...

This bird made hawk-watching famous ... Dark morph: adult has an all-dark body with dark wing coverts and silvery flight feathers, the dark tail has a wide white band. The juvenile is dark ...

demonstrate how bird wings act as a suspension system to cope with wind fluctuations, a discovery that could alter the development of bio-inspired small-scale aircraft. “Birds routinely fly in high ...