A plump, short-legged burrowing toad with a prominent sharp-edged tubercle on the hind feet, native to North America and Europe.
- ‘Tadpoles of both Couch's spadefoot toad and the Western spadefoot toad accelerate metamorphosis in response to pond drying.’
- ‘However, Eastern spadefoot toads, which have a very short developmental period prior to metamorphosis, did not show any increase in corticosterone over an hour of confinement.’
- ‘Female spadefoots have ample opportunity to choose mates and can use male call features to assess species identity and quality of potential mates.’
- ‘Of all the creatures on the Carrizo, the endurance champion of the underworld is the spadefoot toad.’
- ‘The toad doesn't really need us to make him a home, both the spadefoot and Colorado river toad can excavate burrows almost three feet deep.’