Tui De Roy / Marine iguana (Amblyrhynchus cristatus) basking on driftwood, Fernandina Island, Galapagos, South America.

Chris Mattison / High-casqued chameleon / Von Hoehnel's chameleon (Trioceros hoehnelii) female and young on branch, Kenya, Africa.

Alex Hyde / Common Lizard (Zootoca vivipara) basking on lichen-covered tree stump. Peak District National Park, Derbyshire, UK. August.

Etienne Littlefair / Mertens' water monitor (Varanus mertensi) in water, split level view, Adelaide River, Northern Territory, Australia. October. Winner of the threatened species criteria in Australia Geographic Natu...

Robert Thompson / Crested gecko (Correlophus ciliatus), New Caledonia, controlled conditions

Claudio Contreras / Cuban Iguana (Cyclura nubila nubila), Guanahacabibes Peninsula National Park, Pinar del Rio Province, western Cuba.

Claudio Contreras / Cuban / Clouded rock iguana (Cyclura nubila), Jardines de la Reina / Gardens of the Queen National Park, Caribbean Sea, Ciego de Avila, Cuba.

Edwin Giesbers / RF - Sand lizard (Lacerta agilis) the Netherlands. (This image may be licensed either as rights managed or royalty free.)

Lorraine Bennery / Brygoo's chameleon, / Leaf chameleon (Brookesia brygooi) tiny endemic chameleon. Madagascar.

Lorraine Bennery / Lined leaf-tailed gecko (Uroplatus lineatus) camouflaged on dying leaves. Madagascar.

Nick Garbutt / Komodo dragon (Varanus komodoensis) male running. Rinca Island, Komodo National Park, Indonesia. Endangered.

Andres M. Dominguez / Ocellated or jewelled lizards (Timon lepidus) basking on rocks, Los Alcornocales Natural Park. Southern Spain. May.

Claudio Contreras / Catalina Desert Iguana (Dipsosaurus catalinensis), Catalina (Santa Catalina) Island, Loreto Bay National Park, Gulf of California (Sea of Cortez), Baja California, Mexico, May, Second place in Visions...

Fabio Pupin / Ruwenzori side-striped chameleon, (Trioceros rudis), hanging from fern, Nyungwe Forest NP, Rwanda, December . Non-ex.

Fabio Pupin / Gallot's lizard, (Gallotia galloti), male in habitat, Tenerife, Canary Islands, Spain, April . Non-ex.

Fabio Pupin / Moorish gecko, (Tarentola mauritanica), hunting on window, Italy, April . Non-ex.

Alex Mustard / Reef lizardifsh (Synodus variegatus) at a cleaning station, being cleaned by Holthuis anemone shrimps (Ancylomenes holthuisi). Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.

Lucas Bustamante / Marine Iguanas (Amblyrhynchus cristatus) basking. Fernandina Island, Galapagos Islands.

Jack Dykinga / Greater roadrunner (Geococcyx californianus) running to feed brood with Lizard prey in beak. Catalina State Park, Sonoran Desert, Arizona, USA. June.

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

Robert Valentic / Central bearded dragon (Pogona vitticeps) basking in mallee / heathland habitat on the Murrayville Track in the Big Desert Wilderness of north-western Victoria, Australia.

Robert Valentic / Heath Monitor (Varanus rosenbergi) male enacting a threat display, in mallee/heath habitat near Pinnaroo, South Australia.

Robert Valentic / Striped legless lizard (Delma impar) female, in volcanic plain near Reedesdale in central Victoria, Australia.

Robert Valentic / Phuket horned tree lizard (Acanthosaura phuketensis) near Bang Pae Waterfall, Khao Phra Thaew NP, Phuket Island, Thailand.

Robert Valentic / Portrait of an adult Three-toed Earless Skink (Hemiergis talbingoensis) Tallarook, Goulburn River in central Victoria, Australia.

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

Nick Hawkins / Marine iguana (Amblyrhynchus cristatus) basking on volcanic rock at coast. Isabela Island, Galapagos.

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) group on rock in the waves, Cape Hammond, Fernandina Island, Galapagos

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) swimming underwater, Sullivan Bay, Santiago Island, Galapagos

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) in the surf, Black Beach, Floreana Island, Galapagos

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) peering over rocks, Punta Espinosa, Fernandina Island, Galapagos

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) in water, Puerto Egas, Santiago Island, Galapagos

Tui De Roy / Marine iguana (Amblyrhynchus cristatus), Punta Vicente Roca, Isabela Island, Galapagos

Tui De Roy / Marine iguanas (Amblyrhynchus cristatus) fighting, Punta Vicente Roca, Isabela Island, Galapagos

Tui De Roy / Marine iguanas (Amblyrhynchus cristatus) silhouettes at sunset, Punta Vicente Roca, Isabela Island, Galapagos

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) group on rocks, Cape Douglas, Fernandina Island, Galapagos

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) males in breeding colouration on rocks, with sun halo, Floreana Island, Galapagos

Tui De Roy / Marine iguana (Amblyrhynchus cristatus), Punta Espinosa, Fernadina Island, Galapagos

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) starved to death due to El Nino effect, Puerto Ayora / Academy Bay, Santa Cruz Island, Galapagos

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) on shore, Punta Moreno, Isabela Island, Galapagos

Tui De Roy / Galapagos lava lizard (Microlophus albemarlensis) sitting on Marine iguana (Amblyrhynchus cristatus) Punta Espinosa, Fernandina Island, Galapgos.

Jack Dykinga / Greater roadrunner (Geococcyx californianus) with Desert spiny desert lizard (Sceloporus magister) prey, Catalina State Park, Arizona, Sonoran Desert, USA. August.

Steven David Miller / A Perentie (Varanus giganteus) using its forked tongue to detect smells, Alice Springs Reptile Centre, Northern Territory, Australia, Captive. May.

Lucas Bustamante / Mosquito (Culicidae) feeding on the back of an Equatorial anole (Anolis aequatorialis) Mindo, Pichincha, Ecuador.

Lucas Bustamante / Pinocchio lizard (Anolis proboscis) male on stem, Mindo, Pichincha, Ecuador, Endangered species.