American beavers are the largest rodents in North America, typically weighing between 35 and 65...

Antilocapra americana Pronghorn are among the most fascinating and unique animals in North America....

Ovis canadensis Few animals capture the rugged spirit of the Rocky Mountains quite like the bighorn...

Alces alces Moose are the largest members of the deer family and one of the most distinctive...

Elk once roamed nearly all of North America, from coast to coast, but their historic range was...

Bison bison The American bison, our national mammal, is one of the most awe-inspiring species of...