Robert Valentic / Adult male King Brown Snake (Pseudechis australis) Winton, Queensland, Australia.

Robert Valentic / King brown snake (Pseudechis australis) central Queensland, Australia.

Robert Valentic / King Brown Snake (Pseudechis australis) male animal sub-adult near the town of St George in inland Queensland, Australia.

Jiri Lochman / King brown snake (Pseudechis australis) King Leopold Range NP, Kimberley, Western Australia, May. Dangerously venomous species.

Martin Willis / King Brown Snake (Pseudechis australis) feeding on snake, Boulia, Queensland, Australia

Juergen Freund / Researcher Guido Westhoff doing quick lab work with 2 fresh road kills, a King brown / Mulga snake (Pseudechis australis) and a Black-headed python (Aspidites melanocephalus) in a mobile laboratory. Q...

Robert Valentic / King brown snake {Pseudechis australis} male fans out in threat display after sensing danger while basking on desert dune, Leigh Creek, Southern Australia

Robert Valentic / King brown snake {Pseudechis australis} female with tongue flickering in response to threat, Westmar, Queensland, Australia

Robert Valentic / King brown snake {Pseudechis australis} held in hand to expose fang sheath, Sturt NP, New South Wales, Australia

Robert Valentic / King brown snake {Pseudechis australis} male responding to threat by hissing loudly and flickering tongue, Western Australia

Robert Valentic / King brown snake {Pseudechis australis} male searching for the scent of a female during the spring mating season, Winton, Queensland, Australia

Robert Valentic / Adult male King brown snake, strike pose {Pseudechis australis} Northern Territory, Australia