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Western Ratsnake vs. Great Plains Ratsnake

Adults are easy: the Western Ratsnake turns shiny black with a white chin and throat; the Great Plains Ratsnake stays grey with bold brown blotches all its life. The young are the hard case: both are grey and blotched. The Great Plains has a dark spearpoint between the eyes made by two neck stripes joining; the young Western Ratsnake has a dark band across the head in front of the eyes instead.

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Western Ratsnake

Pantherophis obsoletus

Great Plains Ratsnake

Pantherophis emoryi
Western Ratsnake vs. Great Plains 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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