My first thought is they aren't thawed all the way or hot enough for him. Have you tried the hair dryer to the head? Second thought, how big is prey, how big is snake? Maybe they are too small, or too large and that's why he isn't interested. I have found, that with most of mine, they each have their own little quirks about eating, you will figure it out eventually. Lastly, they are bp's and not eating for no good reason is a special talent they have.

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