I Am Not A Camel: Animals In The Desert

I Am Not A Camel: Animals In The Desert by Mari Bolte -- Deserts can be hot and dry, but that doesn't bother me! I love the heat and enjoy sunbathing, but I am not a horned lizard. I spend most of my life underground, but I am not a desert tortoise. What desert animal am I? Read the clues and guess!