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Mojave Shovelnose Snake vs. Colorado Desert Shovelnose Snake

Split in 2022. The two meet where the Mojave Desert drops into the Coachella Valley and Joshua Tree; their records touch there. A: Plain cream or yellow, no red in the Mojave Shovelnose Snake; orange-red saddles on the back between the black bands in the Colorado Desert Shovelnose Snake. B: Pale between the bands right up to the head in the Mojave Shovelnose Snake; orange-red patches between the bands from the neck back in the Colorado Desert Shovelnose Snake. Away from the meeting zone, range decides: the Mojave Desert vs the Colorado Desert (Coachella and Imperial valleys, Anza-Borrego).

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Mojave Shovelnose Snake

Sonora occipitalis

Colorado Desert Shovelnose Snake

Sonora annulata
Mojave Shovelnose Snake vs. Colorado Desert Shovelnose 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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