The Colorado River Toad is the largest western toad. It is chunky and short-legged, with dark olive-green leathery skin above and a smooth creamy-white underside.
- It lacks a vocal sac, therefore has a weak and low-pitched call.
- The Colorado River Toad remains underground during the heat of the day.
- The Colorado River toad is sometimes called the Sonoran Desert toad.
|Range||Western United States|
|Conservation status||Least concern|