HTML> Southwestern Blackhead Snake (Tantilla hobartsmithi)
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Southwestern Blackhead Snake
(Tantilla hobartsmithi)

Southwestern Blackhead Snake

Family Colubridae

Drawing from Hammerson, 1986.
Used with permission.
Listed as Tantilla planiceps or Tantilla utahensis in some publications.

Last Updated on January 20, 2000.

Southwestern Blackhead Snake (Tantilla hobartsmithi)   Range Map
Color Key
Description:
Adults to 15" in length. Color uniformly light brown, except for black cap on head. Moderately slender body, with smooth scales. Divided anal plate. Enlarged, grooved teeth at rear of jaw; saliva may be toxic to arthropods.
Elevation Range:
Found at around 5000' in the Grand Valley of west-central Colorado.

Southwestern Blackhead Snake
(Tantilla hobartsmithi)
CountyRef. CountyRef. CountyRef. CountyRef.
Adams  Dolores  La Plata  Pitkin 
Alamosa  Douglas  Lake  Prowers 
Arapahoe  Eagle  Larimer  Pueblo 
Archuleta  El Paso  Las Animas  Rio Blanco * 
Baca  Elbert  Lincoln  Rio Grande 
Bent  Fremont  Logan  Routt 
Boulder  Garfield *  MesaH Saguache 
Chaffee  Gilpin  Mineral  San Juan 
Cheyenne  Grand  Moffat  San Miguel 
Clear Creek  Gunnison  Montezuma  Sedgwick 
Conejos  Hinsdale  Montrose *  Summit 
Costilla  Huerfano  Morgan  Teller 
Crowley  Jackson  Otero  Washington 
Custer  Jefferson  Ouray  Weld 
DeltaGAH9 Kiowa  Park  Yuma 
Denver  Kit Carson  Phillips 

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