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Lined Snake vs. Western Ribbon Snake

Both are striped snakes with a pale middle stripe and one low on each side. The Lined Snake is small and stocky, grey-brown or olive, with a narrow head barely wider than the neck, side stripes on scale rows 2 and 3, and two rows of bold black half-moons down its white belly. The Western Ribbon Snake is very slender with a tail a third of its length, a clean orange middle stripe, side stripes on rows 3 and 4, plain pale lips, a white mark in front of the eye, and a plain belly.

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Lined Snake

Tropidoclonion lineatum

Western Ribbon Snake

Thamnophis proximus
Lined Snake vs. Western Ribbon Snake: comparison sheet with the differences marked

Photographs via iNaturalist under Creative Commons licences; the photographers are credited on the sheet.

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