Luis Quinta / Mountain rock thrush (Monticola saxatilis) female with lizard prey, Pitoes das Junias, Geres National Park, Portugal, June.

Wild Wonders of Europe / Ziegler / Peloponnese wall lizard (Podarcis peloponnesiacus) under rock, The Peloponnese, Greece, May 2009

Wild Wonders of Europe / Ziegler / Peloponnese wall lizard (Podarcis peloponnesiacus) on rock, The Peloponnese, Greece, May 2009

Wild Wonders of Europe / Ziegler / Peloponnese wall lizard (Podarcis peloponnesiacus) on rock in a typical village, Mani Peninsula, The Peloponnese, Greece, May 2009

Wild Wonders of Europe / Oxford / Iberian Wall Lizard (Podarcis hispanica) on rock, Sierra de Andjar Natural Park, Mediterranean woodland of Sierra Morena, north east Jan Province, Andalusia, Spain, April 2009

Michael & Patricia Fogden / Thorny Devil (Moloch horridus) in the desert near Ayers Rock, Uluru-Kata Tjuta National Park, Australia

Jim Brandenburg / Desert Spiny Lizard (Sceloporus magister) sunning on rock, Monument Valley National Monument, Arizona

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) mature male clings to lava rock along shoreline, Academy Bay, Santa Cruz Island, Galapagos Islands, Ecuador

Larry Minden / Collared Lizard (Crotaphytus collaris) holding itself up off of hot rocks, Mojave Desert, California

Michio Hoshino / Galapagos Land Iguana (Conolophus subcristatus) sunning on rock, Galapagos Islands, Ecuador

Juan Manuel Borrero / Illustration of threatened species of Spain : Blue whale (Balenoptera musculus), Brown bear (Ursus arctos), Spanish ibex (Capra pyrenaica hispanica), Bullhead (Cottus gobio), Iberian Rock Lizard (Lace...

David Welling / Yellow-backed spiny lizard (Sceloparus uniformis / magister) perches on a rock along Chalk Cliffs Road, Bishop, California United States

David Welling / Long-nosed leopard lizard (Gambelia wislizeni) perches on a large rock in Redding canyon, Inyo county, California, USA

David Welling / Male Great Basin or Desert collared lizard (Crotaphytus insularis bicinctores) sits on a rock outcrop in Redding canyon, Owens valley, Inyo county, California, United States

David Welling / Chuckwalla (Sauromalus obesus) basks on a volcanic rock near Eureka dunes, California

Chris Mattison / Weber's Gecko (Pachydactylus weberi) camouflaged against rock. Springbok, South Africa.

Kevin Schafer / Marine Iguana (Amblyrhynchus cristatus) on rock in water, Santiago Island, Galapagos Islands, Ecuador

Charlie Summers / Red-headed Rock Agama (Agama agama) sunning on a rock. The tip of its tail appears to be regenerating. Naabi Hill, Serengeti, Tanzania.

Kim Taylor / Spiny green lizard (Sceloporus malachiticus) basking on rock, Costa Rica

Konrad Wothe / Stone engravings of a lizard in Wadi Mathendous, Wadi Barjuj, Stony Desert, Libya, Sahara, North Africa , November 2007

Sebastian Kennerknecht / Scorpion Gecko (Pristurus carteri) female camouflaged on rocks, Hawf Protected Area, Yemen

Daniel Heuclin / Desert horned lizard (Phrynosoma platyrhinos) standing on rock, Death Valley National Park, California, USA, Controlled conditions

Daniel Heuclin / Chihuahuan spotted whiptail lizard (Aspidocelis exsanguis) basking on rock, Chiricahua mountains, Arizona, USA, June.

Daniel Heuclin / Western Whiptail Lizard (Aspidocelis tigris tigris) male basking on rock, Panamint mountains, California, USA, May, Controlled conditions.

Daniel Heuclin / Western Whiptail Lizard (Aspidocelis tigris tigris) male basking on rock, Panamint mountains, California, USA, May, Controlled conditions.

Daniel Heuclin / Sonoran Spotted Whiptail lizard (Aspidocelis sonorae) basking on rock, Catalina state park, Arizona, USA, June

Daniel Heuclin / Chihuahuan spotted whiptail lizard (Aspidocelis exsanguis) basking on rock, Chiricahua mountains, Arizona, USA, June.

Piotr Naskrecki / Southern Rock Agama (Agama atra) juvenile, Cederberg Wilderness Area, Western Cape, South Africa

ZSSD / Grand Cayman Rock Iguana (Cyclura lewisi) pair, native to Cayman Islands

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) on rock in shallow water, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) on rock in shallow water, Galapagos Islands, Ecuador

Alex Hyde / Fat-tailed diplodactylus / gecko (Diplodactylus conspicillatus), camouflaged on rock, New South Wales, Australia.

Bert Willaert / Bedriaga's Rock Lizard (Archaeolacerta bedriagae) basking on rock. Corsica, the Mediterranean, August.

Tony Phelps / Spotted Sand Lizard (Pedioplanis lineoocellata pulchella) basking on rock in front of desert scrub landscape. Ceres Karoo, Western Cape, South Africa, April.

Brent Stephenson / Immature Northern chuckwalla (Sauromalus ater) sunning on a rock. Isla Espiritu Santo, Baja California, Mexico, September.

Pete Oxford / Rough scaled / Tawny Plated Lizard (Gerrhosaurus major) on rock. Kruger National Park, South Africa, December.

Tony Phelps / Marbled Leaf-toed Gecko (Afrogecko porphyreus) well camouflaged against a rock. De Hoop Nature Reserve, Western Cape, South Africa, February.

Danny Green / 2020VISION / Viviparous / Common lizard (Zootoca / Lacerta vivipara) basking on rock, Staffordshire, England, UK, April.

Daniel Heuclin / Yarrow's / Mountain Spiny Lizard (Sceloporus jarrovii) basking on rock. Controlled conditions. Chiricahua mountains, Arizona, USA.

Daniel Heuclin / Mountain Spiny Lizard (Sceloporus jarrovi) basking on a rock. Chiricahua mountains, Arizona, USA, September.

Daniel Heuclin / Mountain Spiny Lizard (Sceloporus jarrovi) basking on a rock. Chiricahua mountains, Arizona, USA, September.

Daniel Heuclin / Emperor Flat Lizard (Platysaurus imperator) male basking on rock. Controlled conditions. North Eastern Zimbabwe, November.

Daniel Heuclin / Emperor Flat Lizard (Platysaurus imperator) male basking on rock. Controlled conditions. North Eastern Zimbabwe, November.

Daniel Heuclin / San Lucan Rock Lizard (Petrosaurus thalassinus) basking in sun. Controlled conditions. Cape region of Baja California, Mexico, November.

Daniel Heuclin / San Lucan Rock Lizard (Petrosaurus thalassinus) basking in sun. Controlled conditions. Cape region of Baja California, Mexico, November.

Daniel Heuclin / Arizona / Madrean Alligator Lizard (Elgaria kingii nobilis) basking on a rock. Controlled conditions. Chiricahua mountains, Arizona, USA, August.

Bruno D'Amicis / Linosa island's subspecies of the Filfola Lizard or Maltese Wall Lizard (Podarcis filfolensis ssp. laurentimulleri) on volcanic rock. Linosa, Sicily, July.

Bruno D'Amicis / Linosa island's subspecies of the Maltese Wall Lizard (Podarcis filfolensis / lilfordi ssp. laurentimulleri) on volcanic rock. Linosa, Sicily, July.

Nick Upton / Male Tyrrhenian wall lizard (Podarcis tiliguerta) sun basking on a granite rock. Corsica, France, June.

Nick Upton / Male Tyrrhenian wall lizard (Podarcis tiliguerta) sun basking on a rock. Corsica, France, May.

Nick Upton / Female Tyrrhenian wall lizard (Podarcis tiliguerta) sun basking on a granite rock. Corsica, France, June.

Tui De Roy / Red-headed Rock Agama (Agama agama) male, Mpala Research Centre, Kenya

Tui De Roy / Red-headed Rock Agama (Agama agama) male displaying, Mpala Research Centre, Kenya

Konrad Wothe / Red-headed Rock Agama (Agama agama) male basking, Serengeti, Tanzania

Chien Lee / Kendall's Rock Gecko (Cnemaspis kendallii) displaying, Kubah National Park, Malaysia

Solvin Zankl / Sand Lizard (Lacerta agilis) female portrait on rock

Charlie Summers / Broadley's flat Lizard (Platysaurus broadleyi) resting on rock, Augrabies National Park, South Africa.

Murray Cooper / Andean Cock-of-the-rock (Rupicola peruvianus) chicks on nest with Anolis Lizard (Anolis nitens) prey, Ecuador

Murray Cooper / Andean Cock-of-the-rock (Rupicola peruvianus) chicks on nest with Anolis Lizard (Anolis nitens) prey, Ecuador

Tony Phelps / Burchell's Sand Lizard (Pedioplanis burchelli) on rock surface, Swartberg Mountains, Little Karoo, South Africa

Pete Oxford / Western Basilisk (Basiliscus galeritus) on rock in creek, Mindo Cloud Forest, western slope of Andes, Ecuador

Hanne & Jens Eriksen / Spiny tailed lizard {Uromastyx aegyptius microlepus} climbing up onto rock, Oman, April

Hanne & Jens Eriksen / Spiny tailed lizard {Uromastyx aegyptius microlepus} climging up onto rock, Oman, April

Hanne & Jens Eriksen / Spiny tailed lizard {Uromastyx aegyptius microlepus} sunning on rock, Oman, April

Hanne & Jens Eriksen / Sinai agama lizard {Pseudotrapelus sinaitus} close-up, on rock, Oman, February

Hanne & Jens Eriksen / Sinai agama lizard {Pseudotrapelus sinaitus} close-up, on rock, Oman, February

James Christensen / Dappled Anole (Norops poecilopus) female on rock, central Panama

James Christensen / Dappled Anole (Norops poecilopus) female on rock, central Panama

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) pair on coastal rocks, Galapagos Islands, Ecuador

Philippe Clement / Common wall lizard (Podarcis muralis) sunning on rock, La Brenne, France

Philippe Clement / Portrait of Common wall lizard (Podarcis muralis) on rock, La Brenne, France

James Brickell / Sir David Attenborough watching a Side blotched lizard (Uta stansburiana) on rock, Santa Nella, California, USA. For BBC television series "Life in Cold Blood", April 2006

James Brickell / Sir David Attenborough watching a Side blotched lizard (Uta stansburiana) on rock, Santa Nella, California, USA. For BBC television series "Life in Cold Blood", April 2006

John Cancalosi / Yarrow's / Mountain Spiny Lizard (Sceloporus jarrovii) camouflaged within a rock crevice, Arizona, USA

John Cancalosi / Yarrow's / Mountain Spiny Lizard (Sceloporus jarrovii) camouflaged within a rock crevice, Arizona, USA

Ross Hoddinott / Common snail {Helix aspersa}, on lichen covered rock, The Lizard, Cornwall, UK. August.

Wild Wonders of Europe / Ziegler / Peloponnese wall lizard (Podarcis peloponnesiacus) looking over rock, The Peloponnese, Greece, May 2009

Wild Wonders of Europe / Ziegler / Greek rock lizard (Hellenolacerata graeca) on rock, The Peloponnese, Greece, May 2009

Wild Wonders of Europe / Ziegler / Greek rock lizard (Hellenolacerata graeca) on rock, The Peloponnese, Greece, May 2009

Wild Wonders of Europe / Ziegler / Greek rock lizard (Hellenolacerta graeca) on rock, The Peloponnese, Greece, May 2009

Wild Wonders of Europe / Lesniewski / European glass lizard (Ophisaurus apodus) on rock, Bagerova Steppe, Kerch Peninsula, Crimea, Ukraine, July 2009

Wild Wonders of Europe / Elander / Aurelio's rock lizard (Iberolacerta aurelioi) living at 2350m, Creussans, Andorra, June 2009, endangered species

Angelo Gandolfi / Ocellated Lizard (Lacerta lepida) on rock, Spain.

Stephen Dalton / Wall lizard (Lacerta muralis) sunning on rock, Italy

Stephen Dalton / Wall lizard (Lacerta muralis) sunning on rock, Italy

Jose B. Ruiz / Formentera lizard {Podarcis pityusensis formenterae} sunning on rock, Formentera Island, Balearic Islands, Spain

Hanne & Jens Eriksen / Egyptian spiny-tailed lizard (Uromastyx aegypticus microlepis) basking on rock, Muscat, Oman

Oriol Alamany / Aran rock lizard (Iberolacerta aranica) female in Aran valley, Pyrenees, Catalonia, Spain, August, endemic in Aran valley. Endangered

Tony Phelps / Cape crag lizard (Pseudocordylus microlepidotus) sunning on rock, DeHoop Nature reserve, South Africa

Piotr Naskrecki / Cape Flat Lizard (Platysaurus capensis) in succulent karoo habitat, sunning on rock, Richtersveld, Northern Cape, South Africa

Juan Carlos Munoz / Lizard sunning on rock, Chapada dos Guimarães NP, Chapada, Mato Grosso, Brazil

Robert Valentic / Skink (Liopholis modesta) male basking at entrance of multi-chambered burrow, ready to flee if disturbed, Glen Innes, New South Wales, Australia

Michael & Patricia Fogden / Common Flat Lizard (Platysaurus intermedius) sunning on rock, Matopos National Park, Zimbabwe

Hanne & Jens Eriksen / Blandford's Semaphore Gecko {Pristurus rupestris} on rock, Muscat, Oman

Nick Garbutt / Ornate Plated Lizard (Zonosaurus ornata) basking on rock. Ranomafana National Park, SE Madagascar.

ZSSD / Kenyan Rock Agama (Agama lionotus) male jumping onto rock, native to Africa, San Diego Zoo, California