A thorny devil is a reptile a lizard and a insectivore.They look like a dead leaf  a walking piece of barbed wire they also have yellow and brown markings. They will dig themselves under the sand to stay warm.The female will lay 3 to 10 eggs.The female will dig a nesting box 30 cm or 1ft deep. They live in the desert of the Australian outback. Do you know what thorny Devils use their thorns for?