Everything is adapted for life on the desert. Feet are broadened to walk on sand. Eyelashes protect eyes from wind-blown sand. Nostrils close to keep sand out. Lips are thickened to withstand the coarsest of desert plants.
Coloration matches the environment.
Callouses are present on knees and other parts of the body that touch the hot sand when the animal sits down. Hump is a flesh mound not supported by bones. Hump size varies with food supply and working conditions. Can tolerate a rise in temperature of 12 degrees Fahrenheit. Able to drink brackish or salt water.