For 25 years, Adolph Murie, one of North Americas greatest naturalists, spent his summers in Moun...

In the time of Lewis and Clark, wolves were abundant throughout North America from the Arctic reg...

The larger mammals of North America are known mostly to a few big game hunters, while the ordinar...

Winner of the John Burroughs Medal"e;A fascinating study of the life cycles of the animals of...

In the time of Lewis and Clark, wolves were abundant throughout North America from the Arctic reg...

This work has been selected by scholars as being culturally important and is part of the knowledg...

By a Field Research Biologist, National Park Service, this is a series of first hand accounts of ...

Wild grizzly bears, conducting their affairs undisturbed, are the essence of the wilderness spiri...

This work has been selected by scholars as being culturally important and is part of the knowledg...