Thornscrub Hook-nosed Snake vs. Sonoran Coralsnake

Both are small red, black and pale snakes of the southeastern foothills. The coralsnake is venomous. A: Pale, with an upturned snout scale; a black mask across the eyes in the Thornscrub Hook-nosed Snake; black and blunt in the Sonoran Coralsnake. B: Black saddles taper to points low on the sides; the belly is pale cream in the Thornscrub Hook-nosed Snake; rings go all the way round the body in the Sonoran Coralsnake. Leave any red, black and yellow snake alone if unsure: the coralsnake's bite is dangerous.

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

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