View fullsize Fiji banded iguana (Brachylophus fasciatus) View fullsize Left to right, Neotropical green anole (Anolis biporcatus) and Western bearded anole (Anolis barbatus) View fullsize Left to right, male and female Serrated casquehead lizards (Laemanctus serratus) View fullsize Left to right, Merrem's madagascar swift (Oplurus cyclurus) and Cuvier's madagascar swift (Oplurus cuvieri) View fullsize Morphead iguana (Uranoscodon superciliosus) View fullsize Desert iguana (Dipsosaurus dorsalis) View fullsize Giant horned lizard (Phrynosoma asio) View fullsize Coast horned lizard (Phrynosoma coronatum) View fullsize Left to right, female and male Broad-headed woodlizards (Enyaloides laticeps) View fullsize Tennent's leaf-nosed lizard (Ceratophora tennenti) View fullsize Left to right, male and female South Sulawesi Sailfin lizards (Hydrosaurus microlophus) View fullsize Red-lipped alligator lizard (Abronia lythrochila) View fullsize Red-lipped alligator lizard (Abronia lythrochila) View fullsize Red-lipped alligator lizard (Abronia lythrochila) View fullsize Mixteca alligator lizard (Abronia mixteca) View fullsize Sierra Madre de Oaxaca alligator lizard (Abronia graminea) View fullsize Campbell's alligator lizard (Abronia campbelli) View fullsize Banded alligator lizard (Abronia taeniata) View fullsize Imbricate alligator lizard (Barisia imbricata) View fullsize San Diego alligator lizard (Elgaria multicarinata webbii) View fullsize Wiegmann's alligator lizard (Gerrhonotus liocephalus) View fullsize European Sheltopusik (Pseudopus adopus thracicus) View fullsize Gila monster (Heloderma suspectum) View fullsize Black tree monitor (Varanus beccarii) View fullsize Northern blunt-spined monitor (Varanus primordius) View fullsize Borneo earless monitor (Lanthanotus borneensis) View fullsize Crocodile lizard (Shinisaurus crocodilurus) View fullsize Chinese Crocodile lizards (Shinisaurus crocodilurus crocodilurus) View fullsize A young Crocodile lizard (Shinisaurus crocodilurus) View fullsize Spotted lightbuld lizard (Petracola ventrimaculata) View fullsize Black and white tegu (Salvator merianae) View fullsize Solomon Islands emerald skink (Lamprolepis smaragdina perviridis) View fullsize Nominate Shingleback skinks (Tiliqua rugosa rugosa) View fullsize Red-eyed crocodile skink (Tribolonotus gracilis) View fullsize Left to right, Reticulated diving skink (Amphiglossus reticulatus) and Astrolabe diving skink (Amphiglossus astrolabi) View fullsize Smith's night lizard (Lepidophyma smithii) View fullsize Kuhl's flying gecko (Gekko kuhli) View fullsize Midline knob-tailed gecko (Nephrurus vertebralis) View fullsize Beaded gecko (Lucasium damaeum) View fullsize Western marbled velvet gecko (Oedura fimbria) View fullsize Broad-tailed gecko (Phyllurus platurus) View fullsize Rough-throated leaf-tailed gecko (Saltuarius salebrosus) View fullsize Rough-throated leaf-tailed gecko (Saltuarius salebrosus) View fullsize Waitaha gecko, large form (Woodworthia cf. brunnea) View fullsize Waitaha gecko, small form (Woodworthia cf. brunnea) View fullsize New Caledonian Mossy giant gecko (Mniarogekko chahoua) View fullsize Thick-tailed gecko (Underwoodisaurus milii) View fullsize Nominate Northern spiny-tailed gecko (Strophurus ciliaris ciliaris) View fullsize Prickly gecko (Heteronotia binoei) View fullsize Nominate Common giant ground gecko (Chondrodactylus angulifer angulifer) View fullsize Cape Cross thick-toed gecko (Pachydactylus kochii) View fullsize Namib web-footed gecko (Pachydactylus rangei) View fullsize Anderson's short-fingered gecko (Stenodactylus petrii) View fullsize Hajar Mountains ground gecko (Trachydactylus hajarensis) View fullsize Pegu bent-toed gecko (Cyrtodactylus peguensis) View fullsize Masobe ground gecko (Paroedura masobe) View fullsize Vazimba ground gecko (Paroedura vazimba) View fullsize Nosy Be ground gecko (Paroedura oviceps) View fullsize Spearpoint leaf-tail gecko (Uroplatus ebenaui) View fullsize Lined flat-tail gecko (Uroplatus lineatus) View fullsize Satanic leaf-tail gecko (Uroplatus phantasticus) View fullsize Margarita island gecko (Gonatodes machelae) View fullsize Yellow-headed gecko (Gonatodes albogularis fuscus) View fullsize Ruibal's striped gecko (Sphaerodactylus ruibali) View fullsize Agkistrodon taylori View fullsize Agkistrodon contortrix View fullsize Metlapicoatlus mexicanus View fullsize Crotalus pyrrhus View fullsize Left to right : Crotalus lepidus, Crotalus morulus of the Peña locality View fullsize Crotalus helleri View fullsize Crotalus vergrandis View fullsize Bothriechis schlegelii View fullsize Atheris squamigera View fullsize Trimeresurus albolabris View fullsize Bitis cornuta View fullsize Left to right : Bitis arietans from Kopstadt, South Africa ; Bitis arietans from Guelmim, Morocco View fullsize Montivipera bornmuelleri View fullsize Vipera aspis aspis, Lac de Bienne locality View fullsize Vipera berus berus, from Sweden View fullsize Vipera ursinii moldavica View fullsize Two Vipera aspis hugyi View fullsize Vipera monticola monticola, from Oukaimeden, Morocco View fullsize Cerastes cerastes, from Tunisia View fullsize Cerastes vipera, southern Morocco View fullsize Cerastes cerastes, from Fask, Morocco View fullsize Acanthophis "woolfi" View fullsize Naja haje "legionis" View fullsize Aspidelaps lubricus lubricus View fullsize Drymarchon melanurus melanurus, adult on the left, juvenile on the right View fullsize Eirenis punctatolineatus View fullsize Hemorrhois ravergieri View fullsize Hierophis viridiflavus, juvenile on the left, adult on the right View fullsize Chrysopelea ornata View fullsize Dipsas variegata View fullsize Natrix maura View fullsize Acrantophis dumerili View fullsize Deirochelys reticularia chrysea View fullsize Left to right : Chelus fimbriata and Chelus orinocensis View fullsize Trachemys callirostris callirostris View fullsize Pangshura tecta View fullsize Malaclemys terrapin View fullsize Graptemys flavimaculata View fullsize Mesoclemmys raniceps View fullsize Mesoclemmys giba View fullsize Chelodina mccordi View fullsize Elseya noveaguinea View fullsize Melanochelys tricarinata View fullsize Carettochelys insculpta View fullsize Emys orbicularis orbicularis View fullsize Terrapene triunguis View fullsize Mauremys leprosa saharica View fullsize Siebenrockiella crassicolis View fullsize Platysternon megacephalum megacephalum View fullsize Left to right : Testudo hermanni hercegovinensis and Tetsudo hermanni hermanni from Mallorca