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Great Plains Ground Snake vs. DeKay's Brownsnake

Both are small brown snakes found under rocks and boards; they share 42 one-degree squares from Kansas and Missouri to Texas. A: Smooth and glossy in the Great Plains Ground Snake; keeled (a ridge down each scale), giving a dull look in the DeKay's Brownsnake. B: Oval black saddles, or plain with dark-edged scales in the Great Plains Ground Snake; two rows of small dark spots down a paler stripe in the DeKay's Brownsnake. C: No dark mark in the Great Plains Ground Snake; a dark blotch on the side of the neck and below the eye in the DeKay's Brownsnake.

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Great Plains Ground Snake

Sonora episcopa

DeKay's Brownsnake

Storeria dekayi
Great Plains Ground Snake vs. DeKay's Brownsnake: comparison sheet with the differences marked

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

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