Bothrops atrox (jergon)
Common names: Yellow Beard, pallet mapanare, lancehead, Ullaca Real. Bothropsatrox is a kind of the subfamily Crotalinae snake, is probably the most feared snake intropical South America, along with the bushmaster or warty (Lachesis muta). This snake feeds mainly on small mammals, birds, lizards and snakes. To detect warm-blooded animals to perceive their body heat through pit loreales, an organ located between the eyes and snout of the animal. Its length can arrive until the two meters.