Aquatic garter snake

The aquatic garter snake, Thamnophis atratus, is a species of colubrid snake. Three subspecies are currently recognized. ==Geographic range== It is found exclusively along the coast of Oregon and California. == Description == Thamnophis atratus grows up to 18-40 inches (46–102 cm) long. Its dorsal coloration varies greatly. The different colorat...
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