Of the many animals protected by the Endangered Species Act, there may be no other species more American than red wolf. Known as "America's wolf," red wolves are the only species of wolf that live in ...

A picture encyclopedia presenting a general introduction to the world's mammals and the vital statistics and behavior for each of the entries from aardvark to zorilla.

Unlike its interior cousins, gray wolves of Vancouver Island live with two paws in the ocean and two paws on land.

The field book documents Frederick R. Wulsin's field work as part of the National Geographic Society's Central China Expedition, 1922 - 1924. The catalog includes date (January - October 1, 1924), sex ...