Nature lovers, environmentalists, and coloring book fans alike will delight in these lifelike pictures of plants and animals that inhabit the Rocky Mountain reg

"Organized by track group for quick and easy identification, this guide has 58 entries covering more than 115 species of four-legged mammals commonly found in t

Letters to her sister about the author's travel in Colorado, autumn and early winter 1873.

See those animal signs on the trail? Was that footprint left by a fox or a wolf? Was that pile of droppings deposited by a moose, a mouse, or a marten? Scats an