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Great Plains Ground Snake vs. Chihuahuan Hook-nosed Snake

Both are small banded snakes of the grassland and desert of Texas and New Mexico (records share 20 one-degree squares). A: Rounded in the Great Plains Ground Snake; the snout scale turned up into a small hook in the Chihuahuan Hook-nosed Snake. B: Bold black saddles (or none) in the Great Plains Ground Snake; many thin brown zigzag crossbars on grey or tan in the Chihuahuan Hook-nosed Snake.

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Great Plains Ground Snake

Sonora episcopa

Chihuahuan Hook-nosed Snake

Gyalopion canum
Great Plains Ground Snake vs. Chihuahuan Hook-nosed 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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