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Great Plains Ground Snake vs. Western Wormsnake

Both are small, shiny snakes found under rocks; they share 8 one-degree squares in Missouri, Arkansas, Kansas and Oklahoma. A: Tan, grey or orange above, with no sharp line along the side in the Great Plains Ground Snake; purple-black above and pink below, meeting in a sharp line along the side in the Western Wormsnake. B: A normal eye, the head a little wider than the neck in the Great Plains Ground Snake; a pointed head no wider than the neck, with tiny eyes in the Western Wormsnake. The Western Wormsnake's tail ends in a small sharp spine.

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Great Plains Ground Snake

Sonora episcopa

Western Wormsnake

Carphophis vermis
Great Plains Ground Snake vs. Western Wormsnake: comparison sheet with the differences marked

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

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