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#1606 · 🦎 reptiles

Common Garter Snake

🇳🇱 Gewone kousenbandslang ·Thamnophis sirtalis

LCleast concern 🦎 Reptiles 📍 outside Europe
Common Garter Snake, photo 1 of 10
1/10 © Mark Kluge · CC BY-NC 4.0

what is it?

The common garter snake ( Thamnophis sirtalis ) is a species of natricine snake, which is indigenous to North America and found widely across the continent. Most common garter snakes have a pattern of yellow stripes on a black, brown or green background, and their average total length (including tail) is about 55 cm (22 in), with a maximum total length of about 137 cm (54 in). 3 oz). Common garter snakes are the state reptile of...

base stats

  • NL sightings 0iNaturalist, research grade
  • worldwide 214,609iNaturalist 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.
  • 214,609 observations worldwide on iNaturalist.
  • Scientifically named in 1758 (268 years ago).

fact sheet

English
Common Garter Snake
Nederlands
Gewone kousenbandslang
scientific name
Thamnophis sirtalis
class
Reptilia
order
Squamata
family
Colubridae
IUCN Red List
LC · least concern
sightings in NL
0
sightings worldwide
214,609
GBIF records in NL
1
weight
—
length
—
lifespan
—
named
1758

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

relatives· Colubridae

Sources: iNaturalist taxon 28362, Wikidata Q911786, GBIF 2457522, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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