Latest News About Colorado River Toad

Updated 2026-04-17 10:05

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Colorado River Toad - Peoria Zoo

This is the largest native toad species in the United States. Possibly extinct in California, Haven’t been seen since 1955. Use of pesticides and loss of habitat is to blame. These toads have poison that is secreted from the parotid glands under its jaw that can be hazardous if ingested by dogs of other small […]

www.peoriazoo.org

Colorado River Toad - Oakland Zoo

Ranges from arid mesquite lowlands and arid grasslands into the groves in mountain canyons. Often found near permanent springs, reservoirs and streams. Ranges include southern Colorado across Arizona to extreme southwestern New Mexico. Also found in northwestern Sinaloa to extreme southeastern California.

www.oaklandzoo.org

Colorado River toad

Basic facts about Colorado River toad: lifespan, distribution and habitat map, lifestyle and social behavior, mating habits, diet and nutrition, population size and status.

animalia.bio

Colorado River Toad - Bufo alvarius - New Hampshire PBS

The Colorado River toad is sometimes called the Sonoran Desert toad. It is three to seven inches long and is the largest native toad in the United States. It is olive green to dark brown in color. It has smooth, shiny skin covered in warts. Its belly is cream-colored and it has one to two warts on the corners of its mouth and large raised warts on its rear legs. Its call is a low-pitched hoot. - NatureWorks

nhpbs.org