Mammoths, lions and camels once roamed along wetlands just north of what is now known as Las Vegas, Nevada. Their history is preserved at Tule Springs Fossil Beds National Monument and is ready to be discovered.
The bighorn sheep is the mammalian symbol of Colorado Parks and Wildlife and Colorado's official animal. Colorado is home to the largest population of the species anywhere. The animals are five to six feet long with a tail three to six inches in length.