Robert Valentic / Coastal taipan (Oxyuranus scutellatus) tasting air, Julatten, north Queensland, Australia,

Robert Valentic / Red-bellied Blacksnake (Pseudechis porphyriacus) basking on rock, Lerderderg Gorge, Victoria, Australia, February.

Robert Valentic / Red-bellied Blacksnake (Pseudechis porphyriacus) female, upper Pambula River, NSW, Australia, spring. Controlled conditions

Robert Valentic / Red-bellied Blacksnake (Pseudechis porphyriacus) sub adult male, Goulburn River floodplain in central Victoria, Australia, summer.

Robert Valentic / Red-bellied Blacksnake (Pseudechis porphyriacus) sub adult, Goulburn River floodplain, central Victoria,Australia.

Robert Valentic / Coastal taipan (Oxyuranus scutellatus) basking on a cool, dry season morning near the Millstream Falls near Ravenshoe in far north Queensland, Australia. June 2018.

Robert Valentic / Coastal taipan (Oxyuranus scutellatus) basking during dry seasons, Cooktown in far north Queensland, Australia. August.

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.

Robert Valentic / Hatchling female Inland Taipan (Oxyuranus microlepidotus) captive bred, (parents from Goyder's Lagoon in South Australia). .

Edwin Giesbers / Inland taipan (Oxyuranus microlepidotus) portrait, captive occurs in Australia. Extremely venomous.

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

Jiri Lochman / Pygmy mulga snake (Pseudechis weigeli) Mitchell Plateau NP, Kimberley, Western Australia. Dangerous venomous species.

Jiri Lochman / Pygmy mulga snake (Pseudechis weigeli) Mitchell Plateau NP, Kimberley, Western Australia. Dangerous venomous species.

Jiri Lochman / Red-bellied black snake (Pseudechis porphyriacus) shortly before sloughing its skin, Herbert River NP, north-eastern Queensland, Australia. Dangerous venomous species.

Robert Valentic / D - Collett's snake {Pseudechis colletti} coiled with tongue extended, Queensland, Australia

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 / Collett's snake {Pseudechis colletti} Barcaldine, Queensland, Australia

Robert Valentic / Red-bellied black snake {Pseudechis porphyriacus} male basking, Glen Innes, New South Wales, 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 / Spotted black snake {Pseudechis guttatus} male inflating its body and expanding its hood in threat display, Queensland, Australia

Robert Valentic / Spotted black snake {Pseudechis guttatus} male inflating its body and expanding its hood in threat display, Queensland, Australia

Robert Valentic / Red bellied black snake {Pseudechis porphyriacus} swallowing Spotted grass frog {Limnodynastes tasmaniensis} Victoria, Australia

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

Robert Valentic / Adult female King brown snake {Pseudechis australis} NSW, Australia

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

Robert Valentic / Blue bellied black snake, male in flattened threat pose {Pseudechis guttatus} Australia

Robert Valentic / Juvenile female King brown snake {Pseudechis australis} Northern Territory, Australia

Robert Valentic / Collett's snake {Pseudechis colletti} juvenile in threat posture, Queensland, Australia

Robert Valentic / Collett's snake {Pseudechis colletti} coiled with tongue out, Queensland, Australia

Robert Valentic / New species of King brown snake {Pseudechis sp} NT, Australia

Nicolas Rakotopare / Red-bellied black snake (Pseudechis porphyriacus) flicking its tongue. Queensland, Australia. January. Controlled conditions.

Robert Valentic / Inland taipan (Oxyuranus microlepidotus). A captive-bred specimen.

Robert Valentic / Inland taipan (Oxyuranus microlepidotus) female snake, Captive bred specimen.

Etienne Littlefair / Speckled brown snake (Pseudechis guttata) feeding on a metamorph knife-footed frog (Cyclorana cultripes), Barkly Tablelands, Northern Territory, Australia, April.

Etienne Littlefair / Speckled brown snake (Pseudechis guttata) inflating throat defensively, Barkly Tablelands, Northern Territory, Australia, April.

Etienne Littlefair / Speckled brown snake (Pseudechis guttata) feeding on a metamorph knife-footed frog (Cyclorana cultripes), Barkly Tablelands, Northern Territory, Australia, April.

Etienne Littlefair / Speckled brown snake (Pseudechis guttata) feeding on a metamorph knife-footed frog (Cyclorana cultripes), Barkly Tablelands, Northern Territory, Australia, April.

Etienne Littlefair / Speckled brown snake (Pseudechis guttata) searching soil cracks for small frogs, Barkly Tablelands, Northern Territory, Australia, April.

Etienne Littlefair / Speckled brown snake (Pseudechis guttata) feeding on a metamorph knife-footed frog (Cyclorana cultripes), Barkly Tablelands, Northern Territory, Australia, April.

Etienne Littlefair / Speckled brown snake (Pseudechis guttata) swimming through temporary pool in the Barkly Tablelands, Northern Territory, Australia, March.

Etienne Littlefair / Mulga or king brown snake (Pseudechis australis), near Almaden, north Queensland, Australia, March.

Robert Valentic / Collett's snake (Pseudechis colletti) male tasting the air with tongue. Endemic to Black Soil Plains, Central Queensland, Australia. Captive.

Robert Valentic / Collett's snake (Pseudechis colletti) male. Endemic to Black Soil Plains, Central Queensland, Australia. Captive.

Robert Valentic / Coastal taipan snake (Oxyuranus scutellatus) male. Occurs in Australia and New Guinea. Captive.

Robert Valentic / Collett's snake (Pseudechis colletti) male, venomous species endemic to the black soil plains of central Queensland, Australia. Captive.

Robert Valentic / Collett's snake (Pseudechis colletti). male, venomous species endemic to the black soil plains of central Queensland, Australia. Captive.

Robert Valentic / Coastal taipan snake (Oxyuranus scutellatus) snake, captive, parents from Cairns in far north Queensland, Australia.

Robert Valentic / Red-bellied blacksnake (Pseudechis porphyriacus) female from the upper Pambula River, New South Wales, Australia.