The pebble toad tends to live in mountainous areas with a lot of steep slopes. In case of danger, such as a tarantula, (one of the main predators that prey on this species of toad), it hides its head and limbs under its body, and then tenses its muscles. Thus, it forms a ball, and then rolls down the nearest hill into a puddle or crevice at its foot. The pebble toad does not suffer any damage from rolling and bouncing because it is very light and its muscles are very strong. The frog uses thi...