Hi!
Couldn't help but chime in, I'm a PhD student who studies snakes...looks like a juvenile corn snake to me and based on your location likely is (although juv. rat snakes can be very similar in appearance), they can be a bit brighter in coloration, but typically have the head markings on your photo. Anyway, rat snakes and corn snakes are in the same genus (Pantherophis, used to be Elaphe) and are pretty similar in terms of behavior and biology. As juveniles, they are partial to lizards and baby mice, as adults, bigger mice, rats, sometimes birds and eggs. It's pretty unlikely one will eat any insects...baby snakes (and many adults) are usually very particular about prey type to the point where they will starve rather than eat what isn't their preferred prey type. That's not to say snakes won't occasionally eat something that isn't their normal preferred prey, but it's unusual that they do. Snakes in the genus Patherophis are all constrictors, which also tips off what they like to eat-things with teeth that can fight back and that are easier to deal with if they pre-kill them with constriction. Snakes that do eat a lot of insects (e.g. racers) don't need to worry much about getting getting bit by them and hence just swallow things down.
Very cool find!
Sara
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