The Colorado River toad (Incilius alvarius), also known as the Sonoran Desert toad, is a toad species found in northwestern Mexico and the southwestern United States. It is well known for …

This toad is common in the Sonoran Desert. It occurs in a variety of habitats including creosote bush desertscrub, grasslands up into oak-pine woodlands, and thornscrub and tropical …

DESCRIPTION: Arizona’s largest toad, Sonoran Desert toads grow to 7.5 inches or more in length.

Jul 26, 2022 · According to the Tucson Herpetological Society, the Sonoran Desert Toad is the largest native toad in the United States. Adults of the specie can reach over eight inches in …

The Sonoran Desert toad is a creature of extremes—part desert survivor, part cultural icon, and even famed for its psychedelic secretions. Revered by Indigenous groups and threatened …

1 day ago · Sonoran Desert toads uniquely produce a potent psychedelic, 5-MeO-DMT. Research shows diet isn’t the source, pointing to internal production or a symbiotic relationship with …

Apr 16, 2018 · These nocturnal toads remain underground during the heat or cold of the day, depending on the seasons. If this toad feels threatened, it secretes a white, milky, liquid …

Sonoran Desert Toads in a rain pool at night in Arizona, including an interaction between two toads where one makes a release call.

Jan 6, 2025 · Discover 37 fascinating facts about the Sonoran Desert Toad, from its unique adaptations to its intriguing behaviors. Perfect for nature enthusiasts!

Aug 26, 2025 · After a 9-month dormancy, the Sonoran Desert Toad (aka Colorado River Toad) emerges with deafening choruses as males pursue mating. Up to 8,000 eggs are spawned …