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Colorado River Toad — printable fact sheet
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Colorado River Toad
Incilius alvarius
The Colorado River Toad, also known as the Sonoran Desert toad, is one of the largest toads native to North America. This amphibian is distinguished by its smooth, olive-green to dark brown skin and prominent parotoid glands behind the eyes. It is primarily nocturnal and is most…
Did you know?
- Ingesting or handling the Colorado River Toad’s venom can be fatal to pets and harmful to humans, and its collection is illegal in several U.S. states.
- The Colorado River Toad produces a powerful venom containing 5-MeO-DMT, a hallucinogenic compound. It is the largest native toad in the United States, reaching lengths of up to 7 inches. Their calls are a distinctive low-pitched whirring, most often heard after heavy summer rains.
What I learned
Draw the colorado river toad
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