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  1. New pet rat suddenly biting cagemates.

    Rat Behavior
    So i have 2 older rats about 1.2 years old and i decided to get 2 little friends for them (all males). 1 of the new rats sadly passed way the other one is fine though and is now 4 months old but hes suddenly biting my other rats (since a week and a half 2 instances). They still cuddle and play...
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