Gray Wolf (Canis lupus) Type: Mammal Family: Canidae Habitat: Open tundra, forests, prairies Location: Some areas of the continental U.S., Alaska, Canada, ...

NORTHERN ROCKY MOUNTAINS GRAY WOLF } Canis lupus irremotus FAMILY: Canidae DESCRIPTION: Gray wolves are about 2.5 feet tall and five to six feet long with a broad snout, round ears, and a ... They are ...

American Trail keepers at the Smithsonian’s National Zoo are mourning the loss of Crystal, a female gray wolf who was humanely euthanized Sunday, ... Crystal was considered geriatric for her species.