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#1650 · 🦎 reptiles

Northwestern Garter Snake

🇳🇱 Northwestern garter snake ·Thamnophis ordinoides

LCleast concern 🦎 Reptiles 📍 outside Europe
Northwestern Garter Snake, photo 1 of 10
1/10 © Rand Workman · CC BY-SA 4.0

what is it?

The northwestern garter snake ( Thamnophis ordinoides ) is a species of colubrid snake endemic to North America.

base stats

  • NL sightings 0iNaturalist, research grade
  • worldwide 17,200iNaturalist observations
  • threat LCleast concern

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

  • No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
  • 17,200 observations worldwide on iNaturalist.
  • Scientifically named by Spencer Fullerton Baird in 1852 (174 years ago).

fact sheet

English
Northwestern Garter Snake
Nederlands
Northwestern garter snake
scientific name
Thamnophis ordinoides
class
Reptilia
order
Squamata
family
Colubridae
IUCN Red List
LC · least concern
sightings in NL
0
sightings worldwide
17,200
GBIF records in NL
0
weight
—
length
—
lifespan
—
named
1852 by Spencer Fullerton Baird

IUCN in Dutch: niet bedreigd. Blank means the sources don't say.

relatives· Colubridae

Sources: iNaturalist taxon 28389, Wikidata Q1351051, GBIF 2457636, Wikipedia (EN). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

stan runge 23a4304 source