Snakes
Northwestern Garter Snake
Thamnophis ordinoides
Across the regions where it's common, the Northwestern Garter Snake peaks from March to October.
Shows up in 4 ecoregions and 3 states
Keep Herp Calendar free
Hi, I'm Nick. I built Herp Calendar on my own and I keep it free, with no ads. If it has helped you find a herp this season, a small tip goes straight into the hosting and the data work. Only if you can spare it. Either way, I'm glad you're here.
Snakes
Northwestern Garter Snake
Thamnophis ordinoides
Description
The northwestern garter snake (Thamnophis ordinoides) is a species of snake in the family Colubridae. The northwestern garter snake is small, with adults averaging around 13–38 in (33–97 cm) in total length (including tail).Wikipedia ↗
Habitat
In the United States, T. ordinoides is found in California, Oregon, and Washington; in Canada, it is found in British Columbia. The northwestern garter snake is primarily found on the edges of meadows surrounded by forest, as the species requires a fair amount of sunlight for its survival.Wikipedia ↗
When it's active
Northwestern garter snakes breed from late March to early April, and again from September to early October. Male garter snakes will mate with multiple females during the mating season.Animal Diversity Web ↗
When and where it's active
Each row is its own calendar, counted from records in that area. Seasons shift by place.
Ecoregions
States
About the Northwestern Garter Snake
When is the Northwestern Garter Snake most active?
Across the regions where it's common, the Northwestern Garter Snake peaks from March to October.
Where does the Northwestern Garter Snake live?
It has enough records to show in 4 ecoregions and 3 states, including California, Oregon, and Washington.