Giant monkey frog (Phyllomedusa bicolor). The giant monkey frog of Peru is known for its mind-altering skin secretions. Shamans in the Amazon rain forest have used this species in hunting rituals.
Venom from an Amazonian tree frog can cause diarrhea and heart palpitations -- but fans claim that it can cure everything from anxiety to migraines. Getty Images/iStockphoto See more of our coverage ...
The giant monkey frog (Phyllomedusa bicolor) is known for its mind-altering skin secretions. Shamans in the Amazon rain forest have used this species in hunting rituals. Photo by Rhett A. Butler. The ...