It is the central feathers in the tail that are very long, which gives the bird an elegant silhouette as it flies. The tropicbird hovers over the water and snaps up squid, crabs, and flying fish.

The first pterosaurs had a sail-like tensioning system for flying with potentially cumbersome tail vanes, which they could have used for displays, a new study finds.

They make their homes in in woodpecker holes, nests abandoned by birds, or tree cavities in forests, woodlands, and jungles. Aside from their patagia, flying ... tails that can be as long as ...

Tail long, with straight bands and wide, white tip that wears down by spring. Head usually buffy, eyes pale yellow. Undersides are white with thin brown streaks, white undertail. Flight ...

A near-perfect fossilized skull discovered in Antarctica reveals the bridge between prehistoric and modern birds, a new study ...

A chaffinch's song lasts about three seconds and is repeated; it starts with buzzing notes, slows, descends into a jumble, ...

DESCRIPTION: The passenger pigeon was much larger than the somewhat similarly plumed mourning dove. Adapted for speed and maneuverability in flight, it had a small head and neck; long tail; long, ...