Pseudechis australis

The mulga snake (Pseudechis australis) is a highly venomous snake of the family Elapidae, native to northern, western, and central Australia and southern New Guinea. First described by the English zoologist John Edward Gray in 1842, it is a robust snake between 1.5 and 3 m (4 ft 11 in and 9 ft 10 in) long. 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.