Species

Thamnophis sirtalis (Common garter snake)

Thamnophis sirtalis. Photo: (c) Rebecca Tarvin, some rights reserved (CC BY-NC)

iNaturalist • Wikipedia

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). The average body mass is 150 g (5.3 oz). Common garter snakes are the state reptile of…

— Wikipedia

Subtaxa

Subspecies: Thamnophis sirtalis fitchi (Valley garter snake)

Subspecies: Thamnophis sirtalis infernalis (California red-sided garter snake)

Sightings

Where in Humboldt

Discussion

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