Ran across this article on a local herp website.

http://texas-wildlife.org/files/Herp depredation.pdf

Though no Drymarchon are specifically cited in the stomach contents, it's not a stretch of the imagination to say they likely do wind up there from time to time. As it turns out, wild pigs are a pure nuisance for lots of living things, plant and animal.
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Chance Duncan
Science Teacher, Herp Enthusiast, and Reptilian Conservation Proponent
www.rvexotics.com