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Panamint Rattlesnake vs. Desert Nightsnake

Both are rock-coloured, blotched desert snakes with cat's-eye pupils; their records overlap. A: Broad and triangular, a pit between the eye and nostril in the Panamint Rattlesnake; flat and small, no pit in the Desert Nightsnake. B: No big dark blotch in the Panamint Rattlesnake; a big dark blotch on the neck in the Desert Nightsnake. The nightsnake is small (to 2 ft) with a thin tail and no rattle; harmless to people.

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Panamint Rattlesnake

Crotalus stephensi

Desert Nightsnake

Hypsiglena chlorophaea
Panamint Rattlesnake vs. Desert Nightsnake: comparison sheet with the differences marked

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

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