The Western brown snake is the 10th most toxic snake. "The venom of Eastern brown snakes consists mostly of neurotoxins, specifically textilotoxin," said Viernum.

Western Black-headed Snake. Habitat: ... Appearance: Brown, slender, olive-gray with a black-headed bordered with a white collar. Diet: Arthropods, particularly centipedes and beetle larvae, ...

The fatal Western Brown snake attack occurred at Garig Gunak Barlu National Park, a "remote and rugged" Northern Territory site roughly 350 miles north-east of Darwin, Australia.