Baja Sur Sand Snake

Subgenus Chilomeniscus
Sonora fasciata
(Cope 1892)
Baja California Sur, Mexico. September 2, 2013.

Sand snakes were the most common find while road-cruising at night in Baja Sur. This first one was found near the fishing town of Loreto. These snakes were formerly considered to be Chilomeniscus stramineus – it remains in the Chilomeniscus subgenus. In 2018, Sonora was elevated to a ‘supergenus’ containing Chilomeniscus, Chionactis, and Sonora as subgenera. For more information, see:

Cox et al., ‘Synopsis and taxonomic revision of three genera in the snake tribe Sonorini’
JOURNAL OF NATURAL HISTORY, 2018 VOL. 52, NOS. 13–16, 945–988

My Flickr album for this species is here.

HerpMapper records for this speces are here.

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1 thought on “Baja Sur Sand Snake

  1. Hi Mike. I’m in Todos Santos, Baja California Sur. Went looking for info to ID the meter long black snake with white bands that crossed my path at 5-6pm, just entering vegetated sand dunes at beach. This isn’t it, of course. May I send you a pic? Checked your more recent snake photos—they are terrific! Leslie

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