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

Miles Barton / Sir David Attenborough holding Shingleback skink (Trachydosaurus rugosus / Tiliqua rugosa) on location for BBC series 'Life of Birds', Australia. 1997

Mitsuaki Iwago / Eastern Blue-tongue Skink (Tiliqua scincoides) showing tongue, Australia

Robert Valentic / Cunningham's skink (Egernia cunninghami) basking at midday, Merri Creek on the northern fringe of metropolitan Melbourne, Victoria, Australia. October. Controlled conditions.

Doug Gimesy / Portrait of a Eastern blue-tongue skink (Tiliqua scincoides) rescued from wildlife smuggling, Captive.

Doug Gimesy / Portrait of a Eastern blue-tongue skink (Tiliqua scincoides). Captive, rescued from wildlife smuggling.

Doug Gimesy / Portrait of a Shingleback lizard (Tiliqua rugosa asper). Captive, rescued from wildlife smuggling.

Doug Gimesy / Portrait of a Shingleback lizard (Tiliqua rugosa asper). Captive, rescued from wildlife smuggling.

Doug Gimesy / Portrait of a Western Blue-tongue skink (Tiliqua occipitalis). Captive, rescued from wildlife smuggling.

Doug Gimesy / Portrait of a Shingleback lizard (Tiliqua rugosa asper). Captive, rescued from wildlife smuggling.

Doug Gimesy / Portrait of a Western Blue-tongue skink (Tiliqua occipitalis). Captive, rescued from wildlife smuggling.

Doug Gimesy / Portrait of a Western Blue-tongue skink (Tiliqua occipitalis). Captive, rescued from wildlife smuggling.