It is a relatively smooth-skinned species of American spadefoot toad. There, he discovered the species that were known as Couch's kingbird and Couch's spadefoot toad. Like all species of spadefoot toad, the New Mexico spadefoot toad is nocturnal and secretive. In 2014, a population of plains spadefoot toad was found in the park. Couch's spadefoot (Scaphiopus couchii) is a species of North American spadefoot toad (family Scaphiopodidae). The banded newt, the eastern spadefoot toad, and the Hula painted frog are critically endangered. The female spadefoot toad will lay up to 2,000 eggs (per season?). The northern spadefoot toad ("Notaden melanoscaphus") is a species of frog in the family Limnodynastidae.