if you don't buy the male mice at the same time while their in the same cage they would fight bitterly but 2 females might not have a problem with each other but the safest way to get 2 mice at a time is from the same cage.
You can put a new mouse in the same cage as another, but if your mouse prefers living alone, don't put the mouse in the cage. The older mouse should be better off solitary.
As a matter of fact they do. Mice and sometimes Rats can be known to resort to cannabalism if there isn't another food sorce. Its highly unlikely for one to do it otherwise. However a mouse may kill...
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Right-o. Tunnels are all ways good. Even if your cage doesn't have any tunnel adapters. I've got critter trail tunnels inside my cage and my rodent loves them. Things with holes....
Not really, they won't try to kill each other. I tried it because I had a mouse and a hamster but only one cage. I figured why not? Well, they didn't try to kill each other. It's just that the...