Central American Indigo Snake vs. Desert Kingsnake

Both are big black snakes of South Texas. A: Plain glossy black, brownish on the front of the body, no speckles in the Central American Indigo Snake; black with yellow speckles and thin yellow crossbands in the Desert Kingsnake. B: Dark slanting bars on pale lip scales in the Central American Indigo Snake; black lip scales spotted yellow in the Desert Kingsnake. The Indigo Snake is far bigger (to 8 ft); the Desert Kingsnake rarely passes 4 ft.

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

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