The American bison is now making an impressive comeback, after nearly being wiped out in the nineteenth century. While we may never return to the days when tens of millions of these mighty animals roamed the plains of North America, the growth of ...

The national bird of the United States is a familiar sight on government seals, but in the past its appearances in America's skies were dwindling. Luckily, today, the bald eagle is being seen in increasing numbers in the wild. These impressive bir...

While mustangs are not native to North America, they have become an iconic American animal. These feral horses are actually the descendants of animals that escaped from Spanish settlers. Today, though, mustangs are very much at home in the plains ...

Its name is a not-so-subtle clue to the bighorn sheep's best-known feature. While female bighorn sheep also have horns, it is the males whose huge, curving horns won these mammals their name. In the fall, males use their horns to fight over the ri...

The lively and social prairie dog is one of the most entertaining North American animals. These small mammals live in groups called towns and build elaborate underground homes. This fact-filled book informs kids about prairie dog life cycles, comm...

The moose is the largest living member of the deer family, and these massive animals are a familiar sight in Canada, the northern United States, and the Rocky Mountains. The males' distinctively branched antlers can measure more then five feet (1....