The Plains spadefoot toad ( Spea bombifrons ) is typical .
The Plains spadefoot toad ( Spea bombifrons ) has a flap of keratinised bone attached to one of the metatarsals of the hind feet which it uses to dig itself backwards into the ground .
The Plains spadefoot toad ( Spea bombifrons ) is typical and has a flap of keratinised bone attached to one of the metatarsals of the hind feet which it uses to dig itself backwards into the ground .