Northwestern Garter Snake

Northwestern Garter Snake

Thamnophis ordinoides

Range

Southwestern British Columbia southward through coastal Washington and Oregon and northwestern California.

Habitats

Most often found living in meadows along the edges of woodlands. It also occurs in logged areas, abandoned properties, and suburban backyards. It likes to hide under thick vegetation, boards, or moist ground debris.

Identification

A small to medium sized snake averaging 13-38 inches in length. It has mildly keeled, matte scales, and it is extremely variable in coloration and pattern. In general, they have a distinct light dorsal stripe and 2 lateral stripes on a darker background. They may be solid or have a checkered pattern between the stripes. The top of its head is generally dark, with lighter coloration beneath the eyes around the mouth. Ventrum is pale and unmarked. It has a narrow head and undefined neck.

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