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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 its ability to exude toxins from glands within its skin that have psychoactive properties.
Sonoran Desert Toad (Incilius alvarius) Order: Salientia Family: Bufonidae (true toads) Other common names: Colorado River toad Spanish name: sapo grande Distinguishing Features. At 7 inches (18 cm) or more this is one of the largest toads native to North America.
The Colorado River toad (Incilius alvarius), also known as the Sonoran Desert toad, is found in northern Mexico and the southwestern United States. It is notable for exuding toxins from glands within its skin that have psychoactive properties.
Sonoran desert toads, also known as Colorado River toads, are the largest North American toads. They have fairly smooth skin for a toad, with few warts. Skin color is typically greenish-gray with a creamy white underside. They have prominent parotoid glands that secrete a potent toxin.
12 sie 2007 · Sonoran Desert Toads can be up to 7 1/2 inches (19 cm) long, and they are the largest toad found here in Arizona (the even larger Cane Toads (Bufo marinus) aren’t found here). If they have been gorging on a plentiful supply of nocturnal insects, Sonoran Desert Toads can become amazingly fat as well.
SONORAN DESERT TOAD Incilius alvarius DESCRIPTION: Arizona’s largest toad, Sonoran Desert toads grow to 7.5 inches or more in length. They resemble frogs in that they have relatively smooth, typically olive-green/brown skin, but they can be identified as toads by the crests on the head (cranial crests), and prominent, elongated glands on both ...
At 7 inches or more, the Sonoran Desert toad is one of the largest toads native to North America. Adults have a uniformly green to greenish-grey topside of their bodies with a creamy white underside. Large white turbercles, or “warts”, are found at the jaw.
