Science Main Index
The Colorado River Toad, also known as the Sonoran Desert Toad, is native to southwestern United States and northern Mexico. Its habitat includes desert and semi-arid areas with springs, streams or watering holes. It is carnivorous, eating small rodents and reptiles, insects and even other toads. It is the largest toad native to the United States. Its color is olive to dark brown with a smooth, shiny skin. The Colorado River Toad has poison glands that protect it from predators. The poison is potent enough to kill a full grown dog. Play the following videos to learn more about the Colorado River Toad.