Two males and two females love living together too. The spiny mouse is pregnant for 30 to 42 days. Baby mice get to wander around the house until they can walk. Babies are weaned at the age of four weeks and leave to their new homes at the age of six weeks old. The spiny mouse runs fast all around the cage.
Tails are very delicate.
If they fall off, they will never grow back again. Babies are born with their eyes open and with fur. Two year old females can still give birth. Most mice are born between four and eight a.m. The spiny mouse climbing off the rock.