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Compare two species

Southwestern Blackhead Snake vs. Ground Snake

Both are small desert snakes under rocks; their records overlap. A: A flat black cap in the Southwestern Blackhead Snake; no cap (some have a dark head) in the Ground Snake. B: Plain brown in the Southwestern Blackhead Snake; plain, striped or banded, often orange in the Ground Snake.

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Southwestern Blackhead Snake

Tantilla hobartsmithi

Ground Snake

Sonora semiannulata
Southwestern Blackhead Snake vs. Ground 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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