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Do mice brux for the same reasons as rats do?
When I was holding our mice today, they were both sitting happilly in my hands. I suddenly noticed they were both grinding their teeth. Our rats normally do this when they're happy or excited. Is this the same with mice, or were they simply conditioning their teeth?
Yes, I know that rodents' teeth continually grow, & they always have access to hard treats & toys. I'm wondering if mice *also* use this grinding movement to indicate emotions, like rats do.
