Robert Valentic / Golden tree snake (Chrysopelea ornata) male, Patong Beach, Phuket Island, Thailand. Controlled conditions

Robert Valentic / Central bearded dragon (Pogona vitticeps) basking in mallee / heathland habitat on the Murrayville Track in the Big Desert Wilderness of north-western Victoria, Australia.

Robert Valentic / Heath Monitor (Varanus rosenbergi) male enacting a threat display, in mallee/heath habitat near Pinnaroo, South Australia.

Robert Valentic / Rough-scaled death adder (Acanthophis rugosus) waving tip of tail as a lure to entice prey within striking range. Mount Isa, Queensland Australia.

Robert Valentic / Striped legless lizard (Delma impar) female, in volcanic plain near Reedesdale in central Victoria, Australia.

Robert Valentic / Phuket horned tree lizard (Acanthosaura phuketensis) near Bang Pae Waterfall, Khao Phra Thaew NP, Phuket Island, Thailand.

Robert Valentic / Portrait of an adult Three-toed Earless Skink (Hemiergis talbingoensis) Tallarook, Goulburn River in central Victoria, Australia.

Robert Valentic / Monocled cobra (Naja kaouthia) on rubber plantation at Phak Lok, Phuket Island, Thailand .

Robert Valentic / Short-nosed fruit-bat (Cynopterus brachyotis) roosting, Ko Chang Island, Thailand.

Robert Valentic / Eastern brownsnake (Pseudonaja textilis) juvenile. Australia.

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

Robert Valentic / Lowland blotched blue-tongue (Tiliqua nigrolutea) on a coastal bluff in the Bay of Fires region of north-eastern Tasmania, Australia, spring.

Robert Valentic / Eastern tiger snake (Notechis scutatus) female, Yarra River corridor in suburban Melbourne, Victoria, Australia, in mid-summer. She is in a defensive pre-strike position with hood expanded, accompanie...

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

Robert Valentic / Following the desert rains a Holy cross frog {Notaden benneti} comes to the surface after a long period underground, Nyngan, New South Wales, Australia

Robert Valentic / Cane toad (Bufo marinus) invasive species introduced to Australia. Mount Isa, Queensland, Australia, Controlled conditions.

Robert Valentic / Giant frog (Cyclorana australis) breeding male, from a river gorge, Queensland, Australia. Controlled conditions.

Robert Valentic / Pale-striped ground gecko (Lucasium immaculatum) male, from a desert sand plain near Mount Isa, North West Queensland, Australia. Controlled conditions.

Robert Valentic / Robust dtella gecko (Gehyra robusta) nocturnally active in the Selwyn Ranges, Mount Isa. North West Queensland, Australia. Controlled conditions.

Robert Valentic / Gravelly-soil ctenotus skink (Ctenotus lateralis) sub adult, from Mount Isa, Queensland, Australia.

Robert Valentic / Hosmer's skink (Egernia hosmeri) from the Selwyn Ranges near Cloncurry, Queensland, Australia. Controlled conditions.

Robert Valentic / Eastern barred wedgesnout ctenotus skink (Ctenotus strauchii) from Ilfracombe, Queensland, Australia. Controlled conditions.

Robert Valentic / Southern water skink (Eulamprus tympanum) male from the Merri Creek corridor, Campbellfield, Victoria, Australia. Controlled conditions.

Robert Valentic / Lowland copperhead Snake (Austrelaps superbus) male, basking Melbourne, Australia. Controlled conditions.

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

Robert Valentic / Mainland she-oak skink (Cyclodomorphus michaeli) from Nowra, southern New South Wales, Australia, Controlled conditions.

Robert Valentic / Growling grass frog (Litoria raniformis) basking on a stone at the edge of a rural dam at dusk in Donnybrook, Melbourne, Australia. Controlled conditions.

Robert Valentic / Spiny-tailed monitor (Varanus acanthurus) perched on a termite mound at sundown near the Barkly Homestead in the Northern Territory, Australia. Controlled conditions.

Robert Valentic / Yellow-bellied Water Skink (Eulamprus heatwolei) female from the Delatite River in NE Victoria, Australia. Controlled conditions.

Robert Valentic / Sudell's frog (Neobatrachus sudellae) male, from the western slopes of the great dividing range near Albury, New South Wales, Australia. Controlled conditions.

Robert Valentic / Striped Legless Lizard (Delma impar) from volcanic plains habitat in St Albans, a western suburb of Melbourne, Victoria, Australia. Controlled conditions. Endangered species.

Robert Valentic / Strap-snouted brownsnake (Pseudonaja aspidorhyncha) female brigalow habitat near Charleville in inland Queensland, Australia. Night, summer, controlled.

Robert Valentic / Spotted tree frog (Litoria spenceri) on a streamside stone at night in the highlands of north-eastern Victoria, Australia, spring, controlled, critically endangered species.

Robert Valentic / Spotted tree frog (Litoria spenceri) juvenile on a streamside stone in the highlands of north-eastern Victoria, Australia. Controlled conditions. Critically endangered species.

Robert Valentic / Spotted tree frog (Litoria spenceri) from a forested stream in the highlands of NE Victoria, Australia. Spring, controlled. Critically endangered.

Robert Valentic / Spotted tree frog (Litoria spenceri) female, Victoria, Australia. Controlled conditions. Critically endangered species.

Robert Valentic / Southern grass skink (Pseudemoia entrcasteauxii) female from coastal wetland habitat near Wonthaggi in southern Victoria, Australia. Controlled conditions.

Robert Valentic / Mountain dragon (Rankinia diemensis) male camouflaged against log, Kinglake on the Great Dividing Range, Victoria, Australia. Controlled conditions.

Robert Valentic / Long-nosed dragon (Gowidon longirostris) male basking on a termite mound near Barkly Homestead in the Northern Territory of Australia. Controlled conditions.

Robert Valentic / Growling grass frog (Litoria raniformis) female from the Merri Creek, Donnybrook, Melbourne, Victoria, Australia. Controlled conditions.

Robert Valentic / Growling grass frog (Litoria raniformis) female from a farm dam at Donnybrook, Victoria, Austalia, summer, controlled.

Robert Valentic / Giant banjo frog (Limnodynastes interioris) female, from the western slopes of the Great Dividing Range near Albury, southern New South Wales, Australia. Controlled conditions.

Robert Valentic / Eyrean earless dragon (Tympanocryptis tetraporophora) male, basking on a gibber stone, southern Barkly Tableland, Northern Territory, Australia. Controlled conditions.

Robert Valentic / Eastern smooth frog (Geocrinia victoriana) from Flowerdale, Great Dividing Range above Melbourne, Victoria, Australia.

Robert Valentic / Downs bearded dragon (Pogona henrylawsoni) looking out over his territory on the vast blacksoil plains. Winton, central Queensland, Australia. Controlled conditions.

Robert Valentic / Black rock skink (Egernia saxatilis intermedia) male basking adjacent to a tree hollow. Kinglake region in the ranges above Melbourne, Victoria, Australia. Controlled conditions.

Robert Valentic / Bibron's toadlet (Pseudophryne bibronii) from the goldfields region, near Bendigo, Victoria, Australia. Controlled conditions.

Robert Valentic / Ring-tailed dragon (Ctenophorus caudicinctus macropus) male, from a stony desert plain near Mount Isa in North West Queensland, Australia. Controlled conditions.