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California Lyresnake vs. Coast Night Snake

Both are pale, blotched night snakes with cat's-eye pupils; their records overlap across southern California. A: A dark V or lyre mark on a pale head in the California Lyresnake; a big dark blotch on the neck, the head plain in the Coast Night Snake. B: Brown blotches, each split by a pale crossbar in the California Lyresnake; small plain dark blotches in the Coast Night Snake. The lyresnake grows larger (to 3.5 ft vs 2 ft). Both are mildly venomous to prey, harmless to people.

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California Lyresnake

Trimorphodon lyrophanes

Coast Night Snake

Hypsiglena ochrorhynchus
California Lyresnake vs. Coast Night 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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