addera common viper, Vipera berus, that is widely distributed in Europe, including Britain, and Asia and is typically dark greyish in colour with a black zigzag pattern along the back agamaany small terrestrial lizard of the genus Agama, which inhabit warm regions of the Old World: family Agamidae agamidany other lizard of the family Agamidae, which occur in the Old World and Australia and show a wide range of habits and diversity of structure alligatora large crocodilian, Alligator mississipiensis, of the southern US, having powerful jaws and sharp teeth and differing from the crocodiles in having a shorter and broader snout: family Alligatoridae (alligators and caymans) amphisbaenaany worm lizard of the genus Amphisbaena anaconda or (Caribbean) camoodia very large nonvenomous arboreal and semiaquatic snake, Eunectes murinus, of tropical South America, which kills its prey by constriction: family Boidae (boas) anoleany small arboreal tropical American insectivorous lizards of the genus Anolis, such as A. carolinensis (green anole): family Iguanidae (iguanas). They are able to change the colour of their skin aspthe venomous snake, probably Naja haje (Egyptian cobra), that caused the death of Cleopatra and was formerly used by the Pharaohs as a symbol of their power over life and death bandy-bandya small Australian elapid snake, Vermicella annulata, ringed with black and yellow black snake or red-bellied black snakea highly venomous Australian black snake, Pseudechis porphyriacus, with a reddish underside blind snakeany burrowing snake of the family Typhlopidae and related families of warm and tropical regions, having very small or vestigial eyes blue racera long slender blackish-blue fast-moving colubrid snake, Coluber constrictor flaviventris, of the US blue tongueboaany large nonvenomous snake of the family Boidae, most of which occur in Central and South America and the Caribbean. They have vestigial hind limbs and kill their prey by constriction boa constrictora very large snake, Constrictor constrictor, of tropical America and the Caribbean, that kills its prey by constriction: family Boidae (boas) boomslanga large greenish venomous arboreal colubrid snake, Dispholidus typus, of southern Africa box turtleany of several North American terrapins (genus Terrapene) with a hinged shell that can be completely closed: usually found on land brown snake or (Austral.) mallee snakeany of various common venomous snakes of the genus Pseudonaja bull snake or gopher snakeany burrowing North American nonvenomous colubrid snake of the genus Pituophis, typically having yellow and brown markings bushmastera large greyish-brown highly venomous snake, Lachesis muta, inhabiting wooded regions of tropical America: family Crotalidae (pit vipers) carpet snake or pythona large nonvenomous Australian snake, Morelia variegata, having a carpetlike pattern on its back cayman or caimanany tropical American crocodilian of the genus Caiman and related genera, similar to alligators but with a more heavily armoured belly: family Alligatoridae (alligators, etc) cerastesany venomous snake of the genus Cerastes, esp the horned viper chameleonany lizard of the family Chamaeleontidae of Africa and Madagascar, having long slender legs, a prehensile tail and tongue, and the ability to change colour chuckwallaa lizard, Sauromalus obesus, that has an inflatable body and inhabits desert regions of the southwestern US: family Iguanidae (iguanas) cobraany highly venomous elapid snake of the genus Naja, such as N. naja (Indian cobra), of tropical Africa and Asia. When alarmed they spread the skin of the neck region into a hood cobra de capelloa cobra, Naja tripudians, that has ringlike markings on the body and exists in many varieties in S and SE Asia constrictorany of various nonvenomous snakes, such as the pythons, boas, and anaconda, that coil around and squeeze their prey to kill it copperheada venomous reddish-brown snake, Agkistrodon contortrix, of the eastern US: family Crotalidae (pit vipers) coral snakeany venomous elapid snake of the genus Micrurus and related genera, of tropical and subtropical America, marked with red, black, yellow, and white transverse bands crocodileany large tropical reptile, such as C. niloticus (African crocodile), of the family Crocodylidae: order Crocodilia (crocodilians). They have a broad head, tapering snout, massive jaws, and a thick outer covering of bony plates death adder or deaf addera venomous Australian elapid snake, Acanthophis antarcticus, resembling an adder diamondback, diamondback terrapin, or diamondback turtleany edible North American terrapin of the genus Malaclemys, esp M. terrapin, occurring in brackish and tidal waters and having diamond-shaped markings on the shell: family Emydidae diamond snake or diamond pythona python, Morelia argus, of Australia and New Guinea, with yellow diamond-shaped markings dugite or dukitea medium-sized venomous snake, Pseudonaja affinis, of Central and W Australia, having a small head and slender olive-coloured body with black specks elapidany venomous snake of the mostly tropical family Elapidae, having fixed poison fangs at the front of the upper jaw and including the cobras, coral snakes, and mambas fer-de-lancea large highly venomous tropical American snake, Trimeresurus (or Bothops) atrox, with a greyish-brown mottled coloration: family Crotalidae (pit vipers) flying lizard or flying dragonany lizard of the genus Draco, of S and SE Asia, having an extensible fold of skin on each side of the body, used to make gliding leaps: family Agamidae (agamas) freshwater crocodile or (Austral. informal) freshyfrill-necked lizard, frilled lizard, bicycle lizard, cycling lizard, or (Austral. informal) frilliea large arboreal insectivorous Australian lizard, Chlamydosaurus kingi, having an erectile fold of skin around the neck: family Agamidae (agamas) gaboon vipera large venomous viper, Bitis gabonica, that occurs in African rainforests. It has brown and purple markings and hornlike projections on its snout galliwaspany lizard of the Central American genus Diploglossus, esp D. monotropis of the Caribbean: family Anguidae garter snakeany nonvenomous North American colubrid snake of the genus Thamnophis, typically marked with longitudinal stripes gavial, gharial, or garialgeckoany small insectivorous terrestrial lizard of the family Gekkonidae, of warm regions. Their digits have adhesive pads, which enable these animals to climb on smooth surfaces giant tortoiseany of various very large tortoises of the genus Testudo, of the Galápagos, Seychelles, and certain other islands, weighing up to 225 kilograms (495 lbs.) Gila monstera large venomous brightly coloured lizard, Heloderma suspectum, inhabiting deserts of the southwestern US and Mexico and feeding mostly on eggs and small mammals: family Helodermatidae glass snakeany snakelike lizard of the genus Ophisaurus, of Europe, Asia, and North America, with vestigial hind limbs and a tail that breaks off easily: family Anguidae goanna, bungarra (Austral.), or go (Austral. informal)any of various Australian monitor lizards grass snakea harmless nonvenomous European colubrid snake, Natrix natrix, having a brownish-green body with variable markings green turtlea mainly tropical edible turtle, Chelonia mydas, with greenish flesh used to prepare turtle soup: family Chelonidae habua large venomous snake, Trimeresurus flavoviridis, of Okinawa and other Ryukyu Islands: family Crotalidae (pit vipers) harlequin snakethe E American coral snake (Micrurus fulvius) hawksbill or hawksbill turtlea small tropical turtle, Eretmochelys imbricata, with a hooked beaklike mouth: a source of tortoiseshell: family Chelonidae hognose snake or puff adderany North American nonvenomous colubrid snake of the genus Heterodon, having a trowel-shaped snout and inflating the body when alarmed hoop snakeany of various North American snakes, such as the mud snake (Farancia abacura), that were formerly thought to hold the tail in the mouth and roll along like a hoop horned toad or lizardany small insectivorous burrowing lizard of the genus Phrynosoma, inhabiting desert regions of America, having a flattened toadlike body covered with spines: family Iguanidae (iguanas) horned vipera venomous snake, Cerastes cornutus, that occurs in desert regions of N Africa and SW Asia and has a small horny spine above each eye: family Viperidae (vipers) iguanaeither of two large tropical American arboreal herbivorous lizards of the genus Iguana, esp I. iguana (common iguana), having a greyish-green body with a row of spines along the back: family Iguanidae indigo snakea dark-blue nonvenomous North American colubrid snake, Drymarchon corais couperi jew lizard, bearded lizard, or bearded dragona large Australian lizard, Amphibolurus barbatus, with an erectile frill around the neck kabaragoya or Malayan monitora very large monitor lizard, Varanus salvator, of SE Asia: it grows to a length of three metres king cobra or hamadryada very large venomous tropical Asian elapid snake, Ophiophagus hannah, that feeds on snakes and other reptiles and extends its neck into a hood when alarmed king snakeany nonvenomous North American colubrid snake of the genus Lampropeltis, feeding on other snakes, small mammals, etc Komodo dragon or Komodo lizardthe largest monitor lizard, Varanus komodoensis, of Komodo and other East Indian islands: grows to a length of 3 m (about 10 ft) and a weight of 135 kilograms (about 300 lbs.) kraitany nonaggressive brightly coloured venomous elapid snake of the genus Bungarus, of S and SE Asia leatherback or (Brit.) leathery turtlea large turtle, Dermochelys coriacea, of warm and tropical seas, having a ridged leathery carapace: family Dermochelidae leguanlizardany reptile of the suborder Lacertilia (or Sauria), esp those of the family Lacertidae (Old World lizards), typically having an elongated body, four limbs, and a long tail: includes the geckos, iguanas, chameleons, monitors, and slow worms loggerhead or loggerhead turtlea large-headed turtle, Caretta caretta, occurring in most seas: family Chelonidae mambaany aggressive partly arboreal tropical African venomous elapid snake of the genus Dendroaspis, esp D. angusticeps (green and black mambas) massasaugaa North American venomous snake, Sistrurus catenatus, that has a horny rattle at the end of the tail: family Crotalidae (pit vipers) milk snakea nonvenomous brown-and-grey North American colubrid snake Lampropeltis doliata, related to the king snakes moloch, thorny devil, thorn lizard, or mountain devila spiny Australian desert-living lizard, Moloch horridus, that feeds on ants: family Agamidae (agamas) monitorany large predatory lizard of the genus Varanus and family Varanidae, inhabiting warm regions of Africa, Asia, and Australia mud turtleany of various small turtles of the genus Kinosternon and related genera that inhabit muddy rivers in North and Central America: family Kinosternidae ngarara (New Zealand)a lizard perentie or perentya large dark-coloured monitor lizard, Varanus giganteus, of central and west Australia which grows to 7 ft pit viperany venomous snake of the New World family Crotalidae, having a heat-sensitive organ in a pit on each side of the head: includes the rattlesnakes puff addera large venomous African viper, Bitis arietans, that is yellowish-grey with brown markings and inflates its body when alarmed pythonany large nonvenomous snake of the family Pythonidae of Africa, S Asia, and Australia, such as Python reticulatus (reticulated python). They can reach a length of more than 20 feet and kill their prey by constriction racerany of several long slender nonvenomous North American snakes of the colubrid genus Coluber and related genera, such as C. lateralis (striped racer) rat snakeany of various nonvenomous rodent-eating colubrid snakes, such as Elaphe obsoleta of North America and Ptyas mucosus of Asia rattlesnake or (U.S. & Canad. informal) rattlerany of the venomous New World snakes constituting the genera Crotalus and Sistrurus, such as C. horridus (black or timber rattlesnake): family Crotalidae (pit vipers). They have a series of loose horny segments on the tail that are vibrated to produce a buzzing or whirring sound ringhalsa small, rough-skinned spitting cobra (Hemachatus hemachatus) of S Africa that usually sprays jets of venom at the eyes of an aggressor rock snake, rock python, amethystine python, or Schneider pythonany large Australasian python of the genus Liasis saltwater crocodile or (Austral. informal) saltiea saltwater crocodile sand lizarda small greyish-brown European lizard, Lacerta agilis, that has long clawed digits and, in the male, bright green underparts: family Lacertidae sand vipera S European viper, Vipera ammodytes, having a yellowish-brown coloration with a zigzag pattern along the back sea snakeany venomous snake of the family Hydrophiidae, of tropical seas, that swims by means of a laterally compressed oarlike tail sidewindera North American rattlesnake, Crotalus cerastes, that moves forwards by a sideways looping motion skinkany lizard of the family Scincidae, commonest in tropical Africa and Asia, having reduced limbs and an elongated body covered with smooth scales slowworm or blindworma Eurasian legless lizard, Anguis fragilis, with a brownish-grey snakelike body: family Anguidae smooth snakeany of several slender nonvenomous colubrid snakes of the European genus Coronella, esp C. austriaca, having very smooth scales and a reddish-brown coloration snakeany reptile of the suborder Ophidia (or Serpentes), typically having a scaly cylindrical limbless body, fused eyelids, and a jaw modified for swallowing large prey: includes venomous forms such as cobras and rattlesnakes, large nonvenomous constrictors (boas and pythons), and small harmless types such as the grass snake snapping turtleany large aggressive North American river turtle of the family Chelydridae, esp Chelydra serpentina (common snapping turtle), having powerful hooked jaws and a rough shell soft-shelled turtleany freshwater turtle of the family Trionychidae, having a flattened soft shell consisting of bony plates covered by a leathery skin swiftany of certain North American lizards of the genera Sceloporus and Uta that can run very rapidly: family Iguanidae (iguanas) taipana large highly venomous elapid snake, Oxyuranus scutellatus, of NE Australia terrapinany of various web-footed chelonian reptiles that live on land and in fresh water and feed on small aquatic animals: family Emydidae tiger snakea highly venomous brown-and-yellow elapid snake, Notechis scutatus, of Australia tokaya small gecko, Gekko gecko, of S and SE Asia, having a retractile claw at the tip of each digit tortoiseany herbivorous terrestrial chelonian reptile of the family Testudinidae, of most warm regions, having a heavy dome-shaped shell and clawed limbs tree snakeany of various slender arboreal colubrid snakes of the genera Chlorophis (green tree snakes), Chrysopelea (golden tree snakes), etc tuatara or (technical) sphenodon (New Zealand)a greenish-grey lizard-like rhynchocephalian reptile, Sphenodon punctatus, occurring only on certain small islands near New Zealand: it is the sole surviving member of a group common in Mesozoic times turtleany of various aquatic chelonian reptiles, esp those of the marine family Chelonidae, having a flattened shell enclosing the body and flipper-like limbs adapted for swimming viperany venomous Old World snake of the family Viperidae, esp any of the genus Vipera (the adder and related forms), having hollow fangs in the upper jaw that are used to inject venom wall lizarda small mottled grey lizard, Lacerta muralis, of Europe, N Africa, and SW Asia: family Lacertidae water moccasin, moccasin, or cottonmoutha large dark grey venomous snake, Agkistrodon piscivorus, of swamps in the southern US: family Crotalidae (pit vipers) water snakeany of various colubrid snakes that live in or near water, esp any of numerous harmless North American snakes of the genus Natrix, such as N. sipedon whip snakeany of several long slender fast-moving nonvenomous snakes of the colubrid genus Coluber, such as C. hippocrepis (horseshoe whipsnake) of Eurasia worm lizardany wormlike burrowing legless lizard of the family Amphisbaenidae, of Africa, South and Central America, and S Europe ▷ See reptile
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Word List of Reptiles from the Collins English Word Lists