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

Ben Cranke / Desert Chameleon (Chamaeleo namaquensis) catching insect, Namib desert, Namibia

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

Solvin Zankl / Desert chameleon {Chamaeleo namaquensis} feeding on beetle, Namib Desert, Namibia

Solvin Zankl / Desert / Namaqua Chamaeleon (Chamaeleo namaquensis) juvenile with tongue exposed, catching prey, Namib Desert, Namibia

Martin Gabriel / Desert chameleon juvenile {Chamaeleo namaquensis} Namib desert, Namibia

Fabio Pupin / Marbled leaf-toed gecko, (Afrogecko porphyreus), South Africa, February . Non-ex.

Fabio Pupin / Namaqua chameleon, (Chamaeleo namaquensis), Namib desert, Namibia, February . Non-ex.

Fabio Pupin / Namaqua chameleon, (Chamaeleo namaquensis), Namib desert, Namibia, February . Non-ex.

Ann & Steve Toon / Ground squirrels (Xerus inauris) suckling young, Kgalagadi Transfrontier Park, Northern Cape, South Africa.

Ann & Steve Toon / Ground squirrels (Xerus inauris) female nteracting with juvenile, Kgalagadi Transfrontier Park, Northern Cape, South Africa.

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

Ann & Steve Toon / Ground squirrels (Xerus inauris) mating, Kgalagadi Transfrontier Park, Northern Cape, South Africa.

Emanuele Biggi / Namaqua chameleon (Chamaeleo namaquensis) adult female walking on a dune, Swakopmund, Dorob National Park, Namib desert, Namibia.

Emanuele Biggi / Namaqua chameleon (Chamaeleo namaquensis) adult female walking on a dune, Swakopmund, Dorob National Park, Namib desert, Namibia.

Emanuele Biggi / Namaqua chameleon (Chamaeleo namaquensis) adult female walking on a dune, Swakopmund, Dorob National Park, Namib desert, Namibia.

Emanuele Biggi / Namaqua chameleon (Chamaeleo namaquensis) eating a mealworm offered by a local guide, Swakopmund, Namibia

Lucas Bustamante / Namaqua / Desert chameleon (Chamaeleo namaquensis) on twig, Swakopmund, Erongo, Namibia.

Emanuele Biggi / Namaqua chameleon (Chamaeleo namaquensis) Swakopmund, Namibia.

Emanuele Biggi / Namaqua chameleon (Chamaeleo namaquensis) in desert sand dunes, Swakopmund, Namibia.

Lucas Bustamante / Namaqua chameleon (Chamaeleo namaquensis) Swakopmund, Erongo, Namibia.

Ernie Janes / Cape ground squirrel (Xerus inauris) Namibia

Vincent Grafhorst / Namaqua Chameleon (Chamaeleo namaquensis) showing eyes going in different directions, Namibia

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

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

Ann & Steve Toon / Young ground squirrels (Xerus inauris) fighting, Kgalagadi Transfrontier Park, Northern Cape, South Africa, January.

Ann & Steve Toon / Young ground squirrels (Xerus inauris) fighting, Kgalagadi Transfrontier Park, Northern Cape, South Africa, January.

Ann & Steve Toon / Leopard (Panthera pardus) female with ground squirrel (Xerus inauris) it has just caught, Kgalagadi Transfrontier Park, Northern Cape, South Africa.

Ann & Steve Toon / Ground squirrels (Xerus inauris) interacting, Kgalagadi Transfrontier Park, Northern Cape, South Africa, January.

Ann & Steve Toon / Young Ground squirrels (Xerus inauris) interacting, Kgalagadi Transfrontier Park, Northern Cape, South Africa, January.

Ann & Steve Toon / Young ground squirrels (Xerus inauris), Kgalagadi Transfrontier Park, Northern Cape, South Africa, January.

Christophe Courteau / Desert chameleon (Chamaeleo namaquensis), looking around with turret eye rotating almost 180 degrees. Namib Desert, Namibia.

Christophe Courteau / Desert chameleon (Chamaeleo namaquensis) looking around, Namib Desert, Namibia.

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

Ingo Arndt / Desert chameleon walking {Chamaeleo namaquensis} Namibia

Ingo Arndt / Desert chameleon (Chamaeleo namaquensis) defense posture, Namibia

Ingo Arndt / Desert chameleon (Chamaeleo namaquensis) walking on hot sand, Namibia

Adrian Davies / Namaqua chameleon (Chamaeleo namaquensis) Namib Desert, Namibia

Jen Guyton / Cape ground squirrels (Xerus inauris) mobbing a Cape cobra (Naja nivea) that had come too close to their burrow in the Kalahari Desert, South Africa.

Cyril Ruoso / Namaqua chameleon (Chamaeleo namaquensis) Dorob National Park, Namibia.

Cyril Ruoso / Namaqua chameleon (Chamaeleo namaquensis) Dorob National Park, Namibia.

Cyril Ruoso / Namaqua chameleon (Chamaeleo namaquensis) Dorob National Park, Namibia.

Cyril Ruoso / Namaqua chameleon (Chamaeleo namaquensis) Dorob National Park, Namibia.

Cyril Ruoso / Namaqua chameleon (Chamaeleo namaquensis) Dorob National Park, Namibia.

Cyril Ruoso / Namaqua chameleon (Chamaeleo namaquensis) Dorob National Park, Namibia.

Emanuele Biggi / Namaqua chameleon (Chamaeleo namaquensis) disguised in its environment, Namib Naukluft National Park, Namibia

Emanuele Biggi / Namaqua chameleon (Chamaeleo namaquensis) blends well with its environment, Namib Naukluft National Park, Namibia

Christophe Courteau / Namaqua chameleon (Chamaeleo namaquensis) eating dune beetle, Namib Desert, Namibia

Wim van den Heever / Namaqua chameleon (Chamaeleo namaquensis) hunting insects on dunes, Namib Desert Namibia.

Wim van den Heever / Namaqua chameleon (Chamaeleo namaquensis) hunting insects on dunes, Namib Desert, Namibia.

Ann & Steve Toon / Ground squirrel (Xerus inauris) young using tail for shade, Kgalagadi Transfrontier Park, Northern Cape, South Africa

Ann & Steve Toon / Ground squirrel (Xerus inauris) young using tail for shade whilst foraging, Kgalagadi Transfrontier Park, Northern Cape, South Africa

Ann & Steve Toon / Ground squirrel (Xerus inauris) with young, Kgalagadi Transfrontier Park, Northern Cape, South Africa

Ann & Steve Toon / Ground squirrels (Xerus inauris) playfighting, Kgalagadi Transfrontier Park, Northern Cape, South Africa

Ann & Steve Toon / Ground squirrels (Xerus inauris) playfighting, Kgalagadi Transfrontier Park, Northern Cape, South Africa

Ann & Steve Toon / Ground squirrel (Xerus inauris) young pup sitting on camp site, Kgalagadi Transfrontier Park, Northern Cape, South Africa

Ann & Steve Toon / Ground squirrel (Xerus inauris) grooming young pups, Kgalagadi Transfrontier Park, Northern Cape, South Africa

Ann & Steve Toon / Ground squirrel (Xerus inauris) mother suckling baby, Kgalagadi Transfrontier Park, Northern Cape, South Africa, January 2016

Juan Carlos Munoz / Namaqua chameleon (Chamaeleo namaquensis) Swakopmund, Erongo, Namibia.

Cyril Ruoso / Namaqua Chameleon (Chamaeleo namaquensis) in desert, Dorob National Park, Namibia

Cyril Ruoso / Namaqua Chameleon (Chamaeleo namaquensis) in desert, Dorob National Park, Namibia

Wim van den Heever / Namaqua chameleon (Chamaeleo namaquensis), Namib Desert, Swakopmund, Namibia.

Ann & Steve Toon / Meerkats (Suricata suricatta), sharing burrow with ground squirrel (Xerus inauris) Kgalagadi Transfrontier Park, Northern Cape, South Africa, non-ex. Non-ex.

Ann & Steve Toon / Ground squirrel (Xerus inauris) eating Tsamma melon, Kgalagadi Transfrontier Park, South Africa, non-ex. Non-ex.

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

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

Ann & Steve Toon / Pregnant ground squirrel (Xerus inuaris) at burrow, Kgalagadi Transfrontier Park, Northern Cape, South Africa, non-ex. Non-ex.

Ann & Steve Toon / Ground squirrel (Xerus inuaris) foraging, watched by Cape glossy starlings (Lamprotornis nitens) which are waiting for insects to be thrown up by digging, Kgalagadi Transfrontier Park, South Africa, n...

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

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

Ann & Steve Toon / Young ground squirrels (Xerus inauris) playfighting, Kgalagadi Transfrontier Park, Northern Cape, South Africa, non-ex. Non-ex.

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

Ann & Steve Toon / Meerkat (Suricata suricatta), with ground squirrel (Xerus inauris), Kgalagadi Transfrontier Park, Northern Cape, South Africa, non-ex. Non-ex.

Ann & Steve Toon / Ground squirrel (Xerus inauris) feeding in Devil's thorn flowers (Tribulus terrestris) Kgalagadi Transfrontier Park, Northern Cape, South Africa. Non-ex.

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

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

Ann & Steve Toon / Young Ground squirrels (Xerus inauris) at burrow, Kgalagadi Transfrontier Park, South Africa. Non-ex.

Ann & Steve Toon / Young ground squirrels (Xerus inauris) playing, Kgalagadi Transfrontier Park, South Africa. Non-ex.

Ann & Steve Toon / Baby Ground squirrel (Xerus inauris) eating seed pod, Kgalagadi Transfrontier Park, South Africa. Non-ex.

Ann & Steve Toon / Ground squirrel (Xerus inauris) grooming baby, Kgalagadi Transfrontier Park, South Africa.

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

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

Ann & Steve Toon / Ground squirrels (Xerus inauris) at burrow, Kgalagadi Transfrontier Park, South Africa. Non-ex.