Reference
Field Guide
A growing, editor-maintained reference for Oklahoma amphibians, reptiles, habitats, and related terminology.
Editorial note: the guide is designed to grow over time, so article paths can be reserved before a finished entry is published.
common-gartersnake
Common Gartersnake
Thamnophis sirtalis
Ranges from 18 – 30 inches in size, with females being larger. Coloration varies widely, but is usually ranges from brown to almost black with a light colored dorsa…
Open article