Ann & Steve Toon / Photographer Ann Toon photographing Cape ground squirrels (Xerus inauris) Kgalagadi Transfrontier Park, South Africa, January 2016. Model released.

John Shaw / Namaqua chameleon (Chamaeleo namaquensis) catching larvae with its extended tongue. In the Namib desert near Swakopmund, Namibia.

Vincent Grafhorst / Namaqua Chameleon (Chamaeleo namaquensis) in desert, Namibia

Ingo Arndt / Desert chameleon walking away from camera {Chamaeleo namaquensis} Namibia

Ingo Arndt / Desert chameleon crossing sand leaving tracks, Namibia {Chamaeleo namaquensis}

Ingo Arndt / Desert chameleon on sand, Namib Naukluft NP, Namibia

Ingo Arndt / Desert Chameleon {Chamaeleo namaquensis} walking on hot sand, Namibia.

Ann & Steve Toon / Ground squirrel (Xerus inauris) Kgalagadi Transfrontier Park, Northern Cape, South Africa Non-ex.

Ann & Steve Toon / Ground squirrel (Xerus inauris) Kgalagadi Transfrontier Park, Northern Cape, South Africa. Non-ex.

Ann & Steve Toon / Baby ground squirrel (Xerus inauris) using its tail for shade, Kgalagadi Transfrontier Park, South Africa. Non-ex.

Ann & Steve Toon / Namaqua chameleon (Chamaeleo namaquensis), being scanned for microchip, part of conservation project, Namib Desert, Namibia, April

Ann & Steve Toon / Namaqua chameleon (Chamaeleo namaquensis), Namib Desert, Namibia, April