#family_Colubridae__Colubridae  nonvenomous snakes; about two-thirds of all living species
  supertype:  reptile_family__reptilefamily  a family of reptiles
  member of:  suborder_Serpentes
  member:  colubrid_snake__colubrid  mostly harmless temperate-to-tropical terrestrial or arboreal or aquatic snakes
  member:  genus_Carphophis__Carphophis  thunder snake
     member:  thunder_snake__thundersnake__worm_snake__Carphophis_amoenus  small reddish wormlike snake of eastern United States
  member:  genus_Diadophis__Diadophis  a genus of reptiles of the family Colubridae including ringneck snakes
     member:  ringneck_snake__ring-necked_snake__ring_snake  any of numerous small nonvenomous North American snakes with a yellow or orange ring around the neck
  member:  genus_Heterodon__Heterodon  a genus of small colubrid snakes containing the North American hognose snakes
     member:  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
  member:  genus_Phyllorhynchus__Phyllorhynchus  leaf-nosed snakes
     member:  leaf-nosed_snake  any of various pale blotched snakes with a blunt snout of southwestern North America
  member:  genus_Opheodrys__Opheodrys  North American green snakes
     member:  grass_snake__grasssnake__green_snake__greensnake  either of two N. American chiefly insectivorous green snakes
  member:  genus_Chlorophis__Chlorophis  African green snakes
     member:  green_snake__greensnake  any of numerous African green snakes
  member:  genus_Coluber__Coluber  racers
     member:  racer  slender fast-moving North American snakes
     member:  horseshoe_whipsnake__Coluber_hippocrepis  slender fast-moving Eurasian snake
  member:  genus_Masticophis__Masticophis  whipsnakes
     member:  whipsnake__whip_snake  any of several fast-moving North American snakes with long whiplike tails
  member:  genus_Elaphe__Elaphe  North American rat snakes
     member:  corn_snake__red_rat_snake__redratsnake__Elaphe_guttata  large harmless snake of southeastern United States; often on farms
     member:  black_rat_snake__blackratsnake__blacksnake__pilot_blacksnake__pilotblacksnake__mountain_blacksnake__Elaphe_obsoleta  large harmless shiny black North American snake
     member:  chicken_snake__chickensnake  large North American snake
  member:  genus_Ptyas__Ptyas  Asian rat snakes
     member:  Indian_rat_snake__Ptyas_mucosus  enter buildings in pursuit of prey
  member:  genus_Arizona__Arizona  glossy snake
     member:  glossy_snake__Arizona_elegans  nocturnal burrowing snake of western United States with shiny tan scales
  member:  genus_Pituophis__Pituophis  bull snakes
     member:  bull_snake  any of several large harmless rodent-eating North American burrowing snakes
  member:  genus_Lampropeltis__Lampropeltis  king snakes and milk snakes
     member:  king_snake  any of numerous nonvenomous North American constrictors; feed on other snakes and small mammals
  member:  genus_Thamnophis__Thamnophis  garter snakes
     member:  garter_snake__grass_snake__grasssnake  any of numerous nonvenomous longitudinally-striped viviparous North and Central American snakes
  member:  genus_Tropidoclonion__Tropidoclonion  lined snakes
     member:  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
  member:  genus_Sonora__Sonora  ground snakes
     member:  ground_snake__Sonora_semiannulata  small shy brightly-ringed terrestrial snake of arid or semiarid areas of western North America
  member:  genus_Potamophis__Potamophis  ground snakes
     member:  eastern_ground_snake__Potamophis_striatula__Haldea_striatula  in some classifications placed in genus Haldea; small reddish-gray snake of eastern North America
  member:  genus_Haldea__Haldea  ground snakes
  member:  genus_Natrix__Natrix  water snakes; a cosmopolitan genus
     member:  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
     member:  water_moccasin__watermoccasin  any of numerous North American water snakes inhabiting fresh waters
  member:  genus_Nerodia__Nerodia  North American water snakes
  member:  genus_Storeria__Storeria  a genus of Colubridae
     member:  red-bellied_snake__redbelliedsnake__Storeria_occipitamaculata  harmless woodland snake of southeastern United States
  member:  genus_Chilomeniscus__Chilomeniscus  sand snakes
     member:  sand_snake  small North American burrowing snake
  member:  genus_Tantilla__Tantilla  black-headed snakes
     member:  black-headed_snake  small secretive ground-dwelling snake; found from central United States to Argentina
  member:  genus_Oxybelis__Oxybelis  vine snakes
     member:  vine_snake  slender arboreal snake found from southern Arizona to Bolivia
  member:  genus_Trimorphodon__Trimorphodon  lyre snakes
     member:  lyre_snake  mildly venomous snake with a lyre-shaped mark on the head; found in rocky areas from southwestern United States to Central America
  member:  genus_Hypsiglena__Hypsiglena  night snakes
     member:  night_snake__Hypsiglena_torquata  nocturnal prowler of western United States and Mexico
  member:  genus_Drymarchon__Drymarchon  a genus of Colubridae

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