This North American semi-aquatic amphibian reaches a mere 8 inches (22 centimeters), but don’t pick this guy up for a closer look. Newts produce tetrodotoxin that is stored in their skins and, when ...

1. Tiger Snake (Notechis scutatus) Tiger Snake. Image by Max Tibby, CC0, via Wikimedia Commons Found in southern Australia, Tiger Snakes have a distinct banding pattern similar to that of a tiger.