Smooth Green Snake
Opheodrys vernalis

Family Colubridae

Adults 12" to 26" in length. Color uniformly green on top, white to cream on underside. Slender body, with smooth scales. Divided anal plate.
Elevation Range:
Between 5500' and 9000' on both sides of Continental Divide in Colorado.
Subspecies in Colorado:
Liochlorophis vernalis blanchardi

Sometimes listed as Liochlorophis vernalis.
  Smooth Green Snake
Photo from Hammerson, 1986.
Used with permission.
CountyRef. CountyRef. CountyRef. CountyRef.
Adams  DoloresH La PlataH PitkinH
Alamosa *  DouglasH Lake *  Prowers 
Arapahoe  EagleH Larimer *  Pueblo * 
ArchuletaH El PasoH Las AnimasH Rio BlancoHMS2
Baca  Elbert  Lincoln  Rio Grande * 
Bent  FremontH Logan  RouttH
BoulderH GarfieldH MesaLJL4 Saguache * 
Chaffee *  Gilpin *  Mineral *  San Juan * 
Cheyenne  Grand *  MoffatHMS2 San Miguel * 
Clear Creek *  GunnisonHMS2 MontezumaH Sedgwick 
Conejos *  HinsdaleH MontroseH Summit * 
Costilla *  HuerfanoH Morgan  TellerRPDeF2
Crowley  Jackson  Otero  Washington 
CusterH JeffersonH OurayHMS4 Weld 
DeltaHMS2 Kiowa  ParkH Yuma 
Denver  Kit Carson  Phillips 
Map of Colorado
Color Key
Adams Alamosa Arahapoe Archuleta Baca Bent Boulder Chaffee Cheyenne Clear Creek Conejos Costilla Crowley Custer Delta Denver Dolores Douglas Eagle El Paso Elbert Fremont Garfield Gilpin Grand Gunnison Hinsdale Huerfano Jackson Jefferson Kiowa Kit Carson La Plata Lake Larimer Las Animas Lincoln Logan Mesa Mineral Moffat Montezuma Montrose Morgan Otero Ouray Park Phillips Pitkin Prowers Pueblo Rio Blanco Rio Grande Routt Saguache San Juan San Miguel Sedgewick Summit Teller Washington Weld Yuma