mojave desert tortoise, gopherus agassizii, eating cactus foraging in the red cliffs desert reserve st george southern utah.

agassizii america amphibian ancient animal animals cactus cliffs closeup color conservation crocodile desert eating endangered environment fauna foraging frog george gopherus grass land leaf lizard mojave national natural nature orange outdoor preserve protected protection red reptile reptiles reserve sand scales shell single skin slow slowness snake soil southern species threatened tortoise turtle usa utah wild wilderness wildlife