The Amazon puffing snake has evolved two types of venom Description:Bernard Dupont (CC BY-SA 2.0)
The venomous fangs of the Amazon puffing snake are a double-edged sword. This South American tree snake has developed a venom with toxins that target different prey 鈥 one for killing small mammals like rodents, and another that targets birds and lizards.
鈥淥ther tree snakes, when they feed on mammals, they use constriction,鈥 says Stephen Mackessy at the University of Northern Colorado, who studied the venom produced by Spilotes sulphurous. 鈥淭hese Amazon puffing snakes are not very good constrictors, so they鈥檙e at a disadvantage,鈥…
