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Glossy Snake vs. Western Ratsnake

A: adult Western Ratsnakes are black, with a white chin; the Glossy Snake is pale (white, light grey or tan) with brown blotches all its life. B: young Western Ratsnakes are grey with dark blotches and can look like a Glossy Snake; the ratsnake's scales are weakly keeled and its belly checkered, while the Glossy Snake's scales are smooth and shiny and its belly plain white. The ratsnake's body is shaped like a loaf of bread in cross-section.

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Glossy Snake

Arizona elegans

Western Ratsnake

Pantherophis obsoletus
Glossy Snake vs. Western Ratsnake: comparison sheet with the differences marked

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

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