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

Dave Watts / Blotched Blue-Tongue (Tiliqua nigrolutea) Tasmania, Australia

Robert Valentic / Blotched blue tongued skink, alpine form, threat display {Tiliqua nigrolutea} Australia

Robert Valentic / Blotched blue tongued skink, male {Tiliqua nigrolutea} Victoria, Australia

Robert Valentic / Blotched blue tongued skink lowland form threat display {Tiliqua nigrolutea} Victoria, Australia

Steven David Miller / Blotched Blue tongue Lizard {Tiliqua nigrolutea} with tongue out in alarm display, The Australian Reptile Park, New South Wales, Australia.

Steven David Miller / Blotched Blue tongue Lizard {Tiliqua nigrolutea} Sunning itself on rock, Australian Reptile Park, Gosford New South Wales, Australia

Steven David Miller / Blotched Blue-tongue Lizard {Tiliqua nigrolutea}sunning itself on rock, The Australian Reptile Park, New South Wales, Australia.

Steven David Miller / Blotched blue tongued lizard {Tiliqua nigrolutea} Fredinet NP, Tasmania, Australia

Steven David Miller / Blotched blue tongue lizard {Tiliqua nigrolutea} Freycinet NP, Tasmania

Robert Valentic / Blotched blue tongued skink, {Tiliqua nigrolutea} Victoria, Australia.

Norbert Wu / Blotched Blue-tongued Skink (Tiliqua nigrolutea) on road, Innes National Park, South Australia, Australia