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 ...

a manager in the department of birds and ectotherms (cold-blooded animals) at the Dallas Zoo, told Live Science. For instance, long-tailed grass lizards (Takydromus sexlineatus), a member of this ...

Juvenile Northern Harrier is rufous underneath, but long tail, thin wings, and flight style are very different. Juvenile northern goshawk perched has heavy streaking underneath and a long tail ...

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

Driving on Vermont’s interstate highways in winter, I often notice large hawks perched in trees on woodland edges at regular ...