The Colorado River Toad (Bufo Alvarius) is a large toad (the largest one in the USA actually), found in arid areas in North America. It habitates wet areas near permanent springs. It can grow up to 17,5 cm (approx. 7 inches) long, and feeds on spiders, insects and small lizards. It usually reached a reproductive age within a month.

This toad is probably best known for venomous glands on its forearms, hind legs and neck. The venom contains Bufotenine, a powerful hallucinogen.

Furthermore, it is the only toad in the world. whose skin contains a hallucinogenic substance. With the right procedure, 50 - 160 milligrams of 5-MeO-DMT can be extracted per gram of skin.

This is the origin of the expression "toad licking". However, the venom is NOT very healthy to ingest in this manner, because consuming a sufficient dose of it can cause dangerous physiological effects from other non-psychoactive toxins. If one is really inclined to try this, drying and smoking the venom and/or skin is much safer, at least physiologically speaking.

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