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.

The tail is white to grayish white below. The southern flying squirrel is smaller than the northern ... The potential lifespan is 10 years, but few adults survive beyond 5 years. Raccoons, foxes, ...

Barred, great horned, and screech owls, goshawks, and red-tailed hawks are some of the documented predators of the northern flying squirrel. Mammals that are known to prey upon this rodent include the ...

Little red flying foxes are tree-dwelling bats. In daytime they can be seen roosting in giant camps that may include as many as a million individuals. The bats are indeed efficient fliers ...