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Reptiles & Amphibians




Northwestern Gartersnake - Thamnophis ordinoides

(Baird and Girard, 1852)




Range Map


More Information

Northwest Herps Resources List
Washington Herp Atlas
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Related or Similar Northwest Snakes


T. e. vagrans - Wandering Gartersnake

T. s. fitchi - Valley Gartersnake

T. s. pickeringii - Puget Sound Gartersnake

T. s. concinnus - Red-spotted Gartersnake



observation link



Northwestern Gartersnake
Adult, Thurston County, Washington
Northwestern Gartersnake Northwestern Gartersnake Northwestern Gartersnake Northwestern Gartersnake
Adult, Thurston County, Washington
Adult, Benton County, Oregon Adult, Mason County, Washington
Northwestern Gartersnake Northwestern Gartersnake Northwestern Gartersnake Northwestern Gartersnake
Sub-adult, Thurston County, Washington
Single-striped sub-adult,
Multnomah County, Oregon
Northwestern Gartersnake Northwestern Gartersnake Northwestern Gartersnake Northwestern Gartersnake
  Adult, Kittitas County, Washington  
Northwestern Gartersnake Northwestern Gartersnake Northwestern Gartersnake Northwestern Gartersnake
The Northwestern Gartersnake rages just barely east of the Cascades through Snoqualmie pass, White pass, and the Columbia River Gorge. This snake and the one above were found east of Snoqualmie Pass near Cle Elum, Kittitas County, Washington. Reddish-striped juvenile, Mt. Rainier,
3,200 ft., Pierce County, WA
Single-striped adult,
Multnomah County, Oregon
Northwestern Gartersnake Northwestern Gartersnake Northwestern Gartersnake Northwestern Gartersnake
Red-striped adult, Hood River County, Oregon Adult, Pierce County, Washington
Northwestern Gartersnake Northwestern Gartersnake
Adult, Thurston County, Washington
Northwestern Gartersnake Northwestern Gartersnake Northwestern Gartersnake Northwestern Gartersnake
Adult, Thurston County, Washington Adult basking in situ next to a creek in Mason County, Washington in early May.
Northwestern Gartersnake Northwestern Gartersnake Northwestern Gartersnake Northwestern Gartersnake
Adult with gold stripe, King County, Washington Adult, South Vancouver, British Columbia, Canada © Thomas Martin
Northwestern Gartersnake Northwestern Gartersnake Northwestern Gartersnake Northwestern Gartersnake
Large old adult, Snohomish County, Washington Young of the year, District of Central Saanich, Vancouver Island, British Columbia, Canada © Guntram Deichsel
Northwestern Gartersnake Northwestern Gartersnake Northwestern Gartersnake Northwestern Gartersnake
Melanistic blue-striped adult from King County, Washington © Filip Tkaczyk Adult with blue stripes
© Jeremiah Easter
Adult, Thurston County, Washington
© Zach Lim
Northwestern Gartersnake Northwestern Gartersnake    
Adult, Pacific County, Washington Adult, King County, Washington    
       
Identification Tip
  head comparison    
  Looking at the top of the heads can help to identify these sympatric species on the north coast:
Left: T. sirtalis(Puget Sound Gartersnake subspecies) has a larger longer head with bigger eyes than
Right: T. ordinoides - Northwestern Gartersnake
© Filip Tkaczyk
   
       
Habitat
Northwestern Gartersnake habitat Northwestern Gartersnake habitat Northwestern Gartersnake habitat Northwestern Gartersnake habitat
Habitat, Benton County, Oregon Habitat, Multnomah County, Oregon Habitat, Mima mound prairie,
Thurston County, Washington
Habitat, Thurston County, Washington
Northwestern Gartersnake habitat Northwestern Gartersnake habitat Northwestern Gartersnake habitat Northwestern Gartersnake habitat
Habitat, Pierce County, Washington Habitat, Kittitas County, Washington Habitat, Mt. Rainier, 3,200 ft.,
Pierce County, WA
Habitat, Pierce County, Washington
Northwestern Gartersnake habitat Northwestern Gartersnake habitat Rough-skinned Newt habitat  
Habitat, Mima mound prairie,
Thurston County, Washington
Habitat, Multnomah County, Oregon Habitat, Pacific County, Washington  
       
Short Video
  Northwestern Gartersnake  
  A Northwestern Gartersnake on the move.  
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