Northwestern Garter Snake
Northwestern Garter SnakeNorthwestern Garter SnakeNorthwestern Garter SnakeNorthwestern Garter Snake

Northwestern Garter Snake

Thamnophis ordinoides

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
30–40% · Possible
overall probability at Pacific Rim National Park Reserve
119 Verified records at Pacific Rim National Park Reserve
July Best month highest sighting rate
☀️ Diurnal When it's active during daytime hours (6am–6pm)

The northwestern garter snake (Thamnophis ordinoides) is a species of snake in the family Colubridae. The species is endemic to North America. Wikipedia →

30–40% of wildlife watchers report a Northwestern Garter Snake sighting in Pacific Rim National Park Reserve, based on 119 days of visitor records from GBIF citizen-science data.

Closest Relatives at Pacific Rim National Park Reserve

Common Garter Snake
LC Endemic

Common Garter Snake

☀️ Diurnal Reptile

Thamnophis sirtalis

30–40% · Possible
Western Terrestrial Garter Snake
LC

Western Terrestrial Garter Snake

☀️ Diurnal Reptile

Thamnophis elegans

Insufficient data

📅 Monthly Probability

<5
Jan
<5
Feb
<5
Mar
20–30
Apr
30–40
May
40–50
Jun
40–50
Jul
30–40
Aug
20–30
Sep
20–30
Oct
<5
Nov
<5
Dec

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 Pacific Rim National Park Reserve 🇨🇦 Canada
30–40%
2 Olympic National Park 🇺🇸 United States
20–30%
3 Redwood National Park 🇺🇸 United States
10–20%
4 Great Bear Rainforest 🇨🇦 Canada
10–20%

Quick answers

What are the chances of seeing a Northwestern Garter Snake in Pacific Rim National Park Reserve?

About 33% of wildlife watchers report a Northwestern Garter Snake sighting in Pacific Rim National Park Reserve, based on 119 days of visitor records from GBIF citizen-science data.

When is the best time to see Northwestern Garter Snake in Pacific Rim National Park Reserve?

July has the highest sighting rate for Northwestern Garter Snake in Pacific Rim National Park Reserve in our monthly data.

← Back to Pacific Rim National Park Reserve