The snake eating is a Red-tailed Cribo (Drymarchon melanurus rubidus) that was about 4-5 feet long while the meal was a Central American Lyresnake that was at least 5 feet long. And the Lyresnake had a lump in it the size of an adult rat as well.

This was near the town of Arriaga, Chiapas.
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Chris Harrison
San Antonio, Texas