#ophidian__snake__serpent limbless scaly elongate reptile; some are venomous
supertype: diapsid_reptile__diapsid reptile having a pair of openings in the skull behind each eye
member of: suborder_Serpentes
subtype: colubrid_snake__colubrid mostly harmless temperate-to-tropical terrestrial or arboreal or aquatic snakes
subtype: hoop_snake any of various harmless North American snakes that were formerly believed to take tail in mouth and roll along like a hoop
subtype: thunder_snake__thundersnake__worm_snake__Carphophis_amoenus small reddish wormlike snake of eastern United States
subtype: ringneck_snake__ring-necked_snake__ring_snake any of numerous small nonvenomous North American snakes with a yellow or orange ring around the neck
subtype: hognose_snake__hognosesnake__puff_adder__sand_viper harmless North American snake with upturned nose; may spread its head and neck or play dead when disturbed
subtype: leaf-nosed_snake any of various pale blotched snakes with a blunt snout of southwestern North America
subtype: grass_snake__grasssnake__green_snake__greensnake either of two N. American chiefly insectivorous green snakes
subtype: smooth_green_snake__Opheodrys_vernalis of western and central United States
subtype: rough_green_snake__roughgreensnake__Opheodrys_aestivus of southern and eastern United States
subtype: green_snake__greensnake any of numerous African green snakes
subtype: racer slender fast-moving North American snakes
subtype: blacksnake__black_racer__Coluber_constrictor blackish racer of the eastern United States that grows to six feet
subtype: blue_racer__Coluber_constrictor_flaviventris bluish-green blacksnake found from Ohio to Texas
subtype: horseshoe_whipsnake__Coluber_hippocrepis slender fast-moving Eurasian snake
subtype: whipsnake__whip_snake any of several fast-moving North American snakes with long whiplike tails
subtype: coachwhip_snake__coachwhipsnake__coachwhip__Masticophis_flagellum a whipsnake of southern United States and Mexico; tail resembles a braided whip
subtype: California_whipsnake__striped_racer__stripedracer__Masticophis_lateralis a whipsnake of scrublands and rocky hillsides
subtype: Sonoran_whipsnake__Masticophis_bilineatus both terrestrial and arboreal snake of United States southwest
subtype: rat_snake__ratsnake any of various nonvenomous rodent-eating snakes of North America and Asia
subtype: corn_snake__red_rat_snake__redratsnake__Elaphe_guttata large harmless snake of southeastern United States; often on farms
subtype: black_rat_snake__blackratsnake__blacksnake__pilot_blacksnake__pilotblacksnake__mountain_blacksnake__Elaphe_obsoleta large harmless shiny black North American snake
subtype: chicken_snake__chickensnake large North American snake
subtype: Indian_rat_snake__Ptyas_mucosus enter buildings in pursuit of prey
subtype: glossy_snake__Arizona_elegans nocturnal burrowing snake of western United States with shiny tan scales
subtype: bull_snake any of several large harmless rodent-eating North American burrowing snakes
subtype: gopher_snake__Pituophis_melanoleucus bull snake of western North America that invades rodent burrows
subtype: pine_snake any of several bull snakes of eastern and southeastern United States found chiefly in pine woods; now threatened
subtype: king_snake any of numerous nonvenomous North American constrictors; feed on other snakes and small mammals
subtype: common_kingsnake__Lampropeltis_getulus widespread in United States except northern regions; black or brown with yellow bands
subtype: milk_snake__house_snake__housesnake__milk_adder__checkered_adder__checkeredadder__Lampropeltis_triangulum nonvenomous tan and brown king snake with an arrow-shaped occipital spot; southeastern ones have red stripes like coral snakes
subtype: garter_snake__grass_snake__grasssnake any of numerous nonvenomous longitudinally-striped viviparous North and Central American snakes
subtype: common_garter_snake__Thamnophis_sirtalis widespread in North America
subtype: ribbon_snake__Thamnophis_sauritus slender yellow-striped North American garter snake; prefers wet places
subtype: Western_ribbon_snake__Thamnophis_proximus yellow- or reddish-striped snake of temperate woodlands and grasslands to tropics
subtype: lined_snake__Tropidoclonion_lineatum secretive snake of city dumps and parks as well as prairies and open woods; feeds on earthworms; of central United States
subtype: ground_snake__Sonora_semiannulata small shy brightly-ringed terrestrial snake of arid or semiarid areas of western North America
subtype: eastern_ground_snake__Potamophis_striatula__Haldea_striatula in some classifications placed in genus Haldea; small reddish-gray snake of eastern North America
subtype: water_snake__watersnake any of various mostly harmless snakes that live in or near water
subtype: common_water_snake__banded_water_snake__Natrix_sipedon__Nerodia_sipedon in some classifications placed in the genus Nerodia; western United States snake that seldom ventures far from water
subtype: water_moccasin__watermoccasin any of numerous North American water snakes inhabiting fresh waters
subtype: ring_snake__grass_snake__grasssnake__ringed_snake__Natrix_natrix harmless European snake with a bright yellow collar; common in England
subtype: viperine_grass_snake__Natrix_maura a small harmless grass snake
subtype: red-bellied_snake__redbelliedsnake__Storeria_occipitamaculata harmless woodland snake of southeastern United States
subtype: sand_snake small North American burrowing snake
subtype: banded_sand_snake__Chilomeniscus_cinctus a sand snake of southwestern United States; lives in fine to coarse sand or loamy soil in which it `swims'; banding resembles that of coral snakes
subtype: black-headed_snake small secretive ground-dwelling snake; found from central United States to Argentina
subtype: vine_snake slender arboreal snake found from southern Arizona to Bolivia
subtype: lyre_snake mildly venomous snake with a lyre-shaped mark on the head; found in rocky areas from southwestern United States to Central America
subtype: Sonoran_lyre_snake__Trimorphodon_lambda of desert regions of southwestern North America
subtype: night_snake__Hypsiglena_torquata nocturnal prowler of western United States and Mexico
subtype: indigo_snake__gopher_snake__Drymarchon_corais large dark-blue nonvenomous snake that invades burrows; found in southern North America and Mexico
subtype: eastern_indigo_snake__Drymarchon_corais_couperi a variety of indigo snake
subtype: blind_snake__blindsnake__worm_snake wormlike burrowing snake of warm regions having vestigial eyes
subtype: western_blind_snake__westernblindsnake__Leptotyphlops_humilis burrows among roots of shrubs and beneath rocks in desert and rocky hillside areas and beach sand of western United States
subtype: constrictor any of various large nonvenomous snakes that kill their prey by crushing it in its coils
subtype: boa any of several chiefly tropical constrictors with vestigial hind limbs
subtype: boa_constrictor__boaconstrictor__Constrictor_constrictor very large boa of tropical America and West Indies
subtype: rubber_boa__tow-headed_snake__Charina_bottae boa of grasslands and woodlands of western North America; looks and feels like rubber with tail and head of similar shape
subtype: rosy_boa__Lichanura_trivirgata boa of rocky desert of southwestern United States
subtype: anaconda__Eunectes_murinus large arboreal boa of tropical South America
subtype: python large Old World boas
subtype: carpet_snake__Python_variegatus__Morelia_spilotes_variegatus Australian python with a variegated pattern on its back
subtype: reticulated_python__reticulatedpython__Python_reticulatus of southeast Asia and East Indies; the largest snake in the world
subtype: Indian_python__Python_molurus very large python of southeast Asia
subtype: rock_python__rock_snake__Python_sebae very large python of tropical and southern Africa
subtype: amethystine_python__amethystinepython with an amethyst color
subtype: elapid_snake__elapid any of numerous venomous fanged snakes of warmer parts of both hemispheres
subtype: New_World_coral_snake__coral_snake__coralsnake__harlequin-snake__harlequinsnake any of several venomous New World snakes brilliantly banded in red and black and either yellow or white; widely distributed in South and Central America
subtype: eastern_coral_snake__easterncoralsnake__Micrurus_fulvius ranges from Central America to southeastern United States
subtype: western_coral_snake__westerncoralsnake__Micruroides_euryxanthus ranges from Central America to southwestern United States
subtype: Old_World_coral_snake__coral_snake__coralsnake any of various venomous elapid snakes of Asia and Africa and Australia
subtype: Asian_coral_snake of India
subtype: African_coral_snake__Aspidelaps_lubricus small widely distributed arboreal snake of southern Africa banded in black and orange
subtype: Australian_coral_snake__Rhynchoelaps_australis small venomous but harmless snake marked with black-and-white on red
subtype: Denisonia_superba__copperhead venomous but sluggish reddish-brown snake of Australia
subtype: cobra venomous Asiatic and African elapid snakes that can expand the skin of the neck into a hood
subtype: Indian_cobra__Naja_naja of tropical Africa and Asia
subtype: asp__Egyptian_cobra__Naja_haje cobra used by the Pharaohs as a symbol of their power over life and death
subtype: black-necked_cobra__spitting_cobra__Naja_nigricollis aggressive cobra widely distributed in Africa; rarely bites but spits venom that may cause blindness
subtype: king_cobra__hamadryad__Ophiophagus_hannan__Naja_hannah large cobra of southeastern Asia and the East Indies; the largest venomous snake; sometimes placed in genus Naja
subtype: ringhals__rinkhals__spitting_snake__Hemachatus_haemachatus highly venomous snake of southern Africa able to spit venom up to seven feet
subtype: mamba arboreal snake of central and southern Africa whose bite is often fatal
subtype: black_mamba__blackmamba__Dendroaspis_augusticeps southern African mamba dreaded because of its quickness and readiness to bite
subtype: green_mamba__greenmamba green phase of the black mamba
subtype: death_adder__Acanthophis_antarcticus venomous Australian snake resembling an adder
subtype: tiger_snake__Notechis_scutatus highly venomous brown-and-yellow snake of Australia and Tasmania
subtype: Australian_blacksnake__Pseudechis_porphyriacus large semiaquatic snake of Australia; black above with red belly
subtype: krait brightly colored venomous but nonaggressive snake of southeastern Asia and Malay peninsula
subtype: banded_krait__banded_adder__Bungarus_fasciatus sluggish krait banded with black and yellow
subtype: taipan__Oxyuranus_scutellatus large highly venomous snake of northeastern Australia
subtype: sea_snake__seasnake any of numerous venomous aquatic viviparous snakes having a fin-like tail; of warm littoral seas; feed on fish which they immobilize with quick-acting venom
subtype: viper venomous Old World snakes characterized by hollow venom-conducting fangs in the upper jaw
subtype: common_viper__adder__Vipera_berus small terrestrial viper common in northern Eurasia
subtype: asp_viper__aspviper__asp__Vipera_aspis of southern Europe; similar to but smaller than the adder
subtype: puff_adder__Bitis_arietans large African viper that inflates its body when alarmed
subtype: gaboon_viper__Bitis_gabonica large heavy-bodied brilliantly marked and extremely venomous west African viper
subtype: horned_viper__cerastes__sand_viper__horned_asp__Cerastes_cornutus highly venomous viper of North Africa and southwest Asia having a horny spine above each eye
subtype: pit_viper__pitviper New World vipers with hollow fangs and a heat-sensitive pit on each side of the head
subtype: copperhead__Agkistrodon_contortrix common coppery brown pit viper of upland eastern United States
subtype: cottonmouth__water_moccasin__watermoccasin__cottonmouth_moccasin__cottonmouthmoccasin__agkistrodonpiscivoru venomous semiaquatic snake of swamps in southern United States
subtype: rattlesnake pit viper with horny segments at the end of the tail that rattle when shaken
subtype: diamondback_rattlesnake__diamondbackrattlesnake__diamondback__crotalusadamanteu large deadly rattlesnake with diamond-shaped markings
subtype: timber_rattlesnake__banded_rattlesnake__Crotalus_horridus_horridus widely distributed in rugged ground of eastern United States
subtype: canebrake_rattlesnake__canebrakerattlesnake__canebrake_rattler__canebrakerattler__Crotalus_horridus_atricaudatus southern variety
subtype: prairie_rattlesnake__prairie_rattler__Western_rattlesnake__Crotalus_viridis widely distributed between the Mississippi and the Rockies
subtype: horned_rattlesnake__sidewinder__Crotalus_cerastes small pale-colored desert rattlesnake of southwestern United States; body moves in an S-shaped curve
subtype: Western_diamondback_rattlesnake__Western_diamondback__Crotalus_atrox largest and most dangerous North American snake; of southwestern United States and Mexico
subtype: rock_rattlesnake__Crotalus_lepidus mountain rock dweller of Mexico and most southern parts of United States southwest
subtype: tiger_rattlesnake__tigerrattlesnake__Crotalus_tigris having irregularly cross-banded back; of arid foothills and canyons of southern Arizona and Mexico
subtype: Mojave_rattlesnake__Crotalus_scutulatus extremely dangerous; most common in areas of scattered scrubby growth; from Mojave Desert to w. Texas and into Mexico
subtype: speckled_rattlesnake__Crotalus_mitchellii markings vary but usually harmonize with background; of sw Arizona and Baja California
subtype: massasauga_rattler__massasauga__Sistrurus_catenatus pygmy rattlesnake found in moist areas from the Great Lakes to Mexico; feeds on mice and small amphibians
subtype: ground_rattler__massasauga__Sistrurus_miliaris small pygmy rattlesnake
subtype: fer-de-lance__Bothrops_atrops large extremely venomous pit viper of Central and South America
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