large desert turtle gopherus agassizii scaredly pulled its head into the carapache

agassizii amphibian amphibious animal arm armour background beast carapace creeper cryptodira desert fauna foot gopher gopherus head hid hide land landscape leg lurk nature one outdoor paw person reptile reptilia reptilian rock scale scaled scaly shell shelter squama squamose squamous testudines testudinidae testudinoidea tortoise turtle turtleshell wild wildlife zoo zoological