Hey Raccoonone,
I am no expert when it comes to Rubber Boas like Richard is... But with other WC snakes I have found that if they will not take lab mice and rats (pet shop mice and rats), a lot of the time they will take hampesters or gerbals (babies for a rubber boa)!
So if you can't find any deer mice or voles you may want to try that!
Hope it helps,
Carson.
The Reptile Guy.
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