This is the ultimate guide to big mammals of the Rocky Mountains—Elk, Grizzly Bears, Wolves, Bison, Black Bears, Moose, Bighorn Sheep, Mountain Lions, and Whitetail Deer. This book offers up substantive yet easily digestible information on these big mammals, from where they live to what they prey on to how they communicate and more. More than 400 full-color photographs throughout make this a keepsake reference for years to come.