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.

Steven David Miller / Central bearded dragon (Pogona vitticeps) warming up on a rock, Alice Springs Reptile Centre, Northern Territory, Australia. Captive.

David Perpinan / Cachectic or emaciated captive Bearded dragon (Pogona vitticeps) confiscated by police due to poor care'United Kingdom. Small repro only

David Perpinan / Radiography of a captive Bearded dragon (Pogona vitticeps) with sand impaction, a common condition in captive reptiles. small repro only

David Perpinan / Captive bearded dragon (Pogona vitticeps) suffering from mite infestation. Small repro only

Michael D. Kern / Bearded dragon (Pogona vitticeps) sticking out tongue, captive, occurs in Australia. Available for on-line use only.

Chris Mattison / Inland bearded dragon (Pogona vitticeps) orange translucent morph, captive, occurs in Australia.

Chris Mattison / Inland Bearded Dragon (Pogona vitticeps) close-up of scales, captive, endemic to Australia.

Laurent Geslin / Inland bearded dragon {Pogona vitticeps} Northern Territory, Australia.

Juergen Freund / Central Bearded Dragon (Pogona vitticeps) with mouth open for thermoregulation. South Australia

D. Parer & E. Parer-Cook / Inland Bearded Dragon (Pogona vitticeps) in defensive posture, New South Wales, Australia

Michael D. Kern / Inland bearded dragon (Pogona vitticeps) captive, from Australia

Michael D. Kern / Inland bearded dragon (Pogona vitticeps) captive, from Australia

Roland Seitre / Central / Inland Bearded Dragon (Pogona vitticeps) basking. Alice Springs, Northern Territory.

Martin Willis / Inland Bearded Dragon (Pogona vitticeps) in defensive posture, Bedourie, Queensland, Australia

Martin Willis / Inland Bearded Dragon (Pogona vitticeps) basking, Simpson Desert, Northern Territory, Australia

Michael D. Kern / Inland bearded dragon (Pogona vitticeps) captive, from Australia

Robert Valentic / Inland / Central bearded dragon lizard {Pogona vitticeps} male defensive threat display, Kulgera, Northern Territory, Australia

Miles Barton / Inland Bearded Dragon (Pogona vitticeps) adult on barbed wire fence at farm in Hawker, Flinders Ranges, South Australia

Petra Wegner / Inland Bearded Dragon (Pogona vitticeps), captive, originally from Australia, being fed an insect by hand

Petra Wegner / Inland Bearded Dragon (Pogona vitticeps), captive, originally from Australia, being fed insect by hand

Petra Wegner / Inland Bearded Dragon (Pogona vitticeps) profile, captive, originally from Australia

Petra Wegner / Inland Bearded Dragon (Pogona vitticeps), captive, originally from Australia

Petra Wegner / Inland Bearded Dragon (Pogona vitticeps), captive, originally from Australia, being held

Petra Wegner / Inland Bearded Dragon (Pogona vitticeps), captive, originally from Australia

Petra Wegner / Inland Bearded Dragon (Pogona vitticeps), captive, originally from Australia, being fed an insect by hand

Robert Valentic / Central / Inland bearded dragon {Pogona vitticeps} male defensive display, South Australia

Michael D. Kern / Inland bearded dragon {Pogona vitticeps} captive, Australia

David Kjaer / Inland bearded dragon {Pogona vitticeps} captive

Robert Valentic / Inland bearded dragon, female threat display {Pogona vitticeps} Queensland, Australia

Robert Valentic / Inland bearded dragon, male threat display {Pogona vitticeps} NT, Australia

Robert Valentic / Inland bearded dragon, gravid female threat display {Pogona vitticeps} Queensland, Australia

WILLIAM OSBORN / Inland bearded dragon {Amphibolurus vitticeps} displaying, Queensland, Australia

Dave Watts / Inland Bearded Dragon {Pogona vitticeps} head profile with mouth open, Queensland, Australia.

Philippe Clement / Inland bearded dragon {Pogona vitticeps} Australia, captive.

Philippe Clement / Inland bearded dragon {Pogona vitticeps} Australia, captive.

Patricio Robles Gil / Inland bearded dragon {Pogona vitticeps} displaying, Australia

WILLIAM OSBORN / Inland bearded dragon lizard threat display, Australia. {Amphibolurus vitticeps}

Steven David Miller / Inland / Central bearded dragon {Pogona vitticeps} captive, NB dark enlarged beard display when

Dave Watts / Inland bearded dragon {Pogona vitticeps} Northern Territory, Australia

Martin Willis / Inland Bearded Dragon (Pogona vitticeps) in defensive posture, Bedourie, Queensland, Australia

Doug Gimesy / Central bearded dragon (Pogona vitticeps) on ground by side of road, ??Coober Pedy, South Australia, Australia. Cropped

Doug Gimesy / Central bearded dragon (Pogona vitticeps) on ground by side of road, ?Coober Pedy, South Australia, Australia.

Doug Gimesy / Central bearded dragon (Pogona vitticeps) on rock by side of road, ?Coober Pedy, South Australia, Australia.

Doug Gimesy / Central bearded dragon (Pogona vitticeps) on rock by side of road., Coober Pedy, South Australia, Australia.

Joel Sartore / Photo Ark / Bearded dragon (Pogona vitticeps) at Sedgwick County Zoo, Kansas, USA

Doug Gimesy / Portrait on white background of a Central bearded dragon (Pogona vitticeps). Captive at Lilydale High School, Lilydale, Victoria, Australia. Property released.

Robert Valentic / Central bearded dragon (Pogona vitticeps) male on stick in chenopod shrubland habitat, Meringur in NW Victoria, Australia.

Robert Valentic / Central bearded dragon (Pogona vitticeps) basking with open mouth, Broken Hill, New South Wales, Australia.

Robert Valentic / Central bearded dragon (Pogona vitticeps) female basking on shrub, Mungo Lakes, New South Wales, Australia. Autumn.