National Park Service LogoU.S. Department of the InteriorNational Park ServiceNational Park Service
National Park Service:  U.S. Department of the InteriorNational Park Service Arrowhead
Lake Mead National Recreation AreaScenic Sunset
view map
text size:largestlargernormal
printer friendly
Lake Mead National Recreation Area
Mammals
Desert Big Horn Sheep

Desert Big Horn Sheep

Against a backdrop of bare desert mountains and dry slopes, one would expect to find few mammals, but this is not the case. However, for the most part, the mammals of the region are out after nightfall, and thus are not seen except by travelers crossing the desert after dark.

Geometric Petroglyphs on rocks  

Did You Know?
As early as 3,000 years ago, people inhabiting the Southwest began chiseling and painting pictures on rocks and cliff walls. Preserved by the dry climate, much of this rock art ranging from complicated geometric designs to huge figures, remains to puzzle, astonish, and awe modern-day viewers.

Last Updated: September 20, 2009 at 14:41 EST