Southern black racer (scientific name: "Coluber constrictor"), the racer is more likely to suffocate or crush its victim into the ground, rather than coiling around it in typical constrictor fashion. Man remains the greatest enemy of black racers. Many are killed on highways and others are intentionally killed out of fear. The white chin causes some people to kill this snake, believing that it is a cottonmouth – a venomous snake more commonly called a water moccasin. The venomous snake has a white lining inside of its mouth. Racers are nonvenomous and do not breed with cottonmouths. Natural enemies include such birds of
Mulga snake well adapted to eating venomous spiders and eating other snakes, including all venomous snakes. Mulga snake The mulga snake ("Pseudechis australis") is a species of venomous snake found in Australia. It is one of the longest venomous snakes in the world, and is the second-longest in Australia (surpassed only by the coastal taipan). Its alternative common name is king brown snake, although it is a species in the genus "Pseudechis" (black snakes) and only distantly related to true brown snakes. The species was first described by John Edward Gray in 1842, who placed it in the genus "Naja" (cobras). In