You found a newborn mouse how should you take care of it?

Keep the baby warm. Pick it up and hold it in your bare hand, to warm it. It has no claws or teeth, and it needs to stay warm at all times. Keep him wrapped in a dish towel, or in a small habitat filled with tissue paper set half way (so the baby can move if it gets too hot) on top of a heating pad set to low. Be careful not to overheat the baby, as that may also cause dehydration which could lead to death. Go to the vet or Pet store. Get Ebilac (Puppy) or KMC (Kitten) Synthetic Mother's milk and an eye dropper. The baby is very fragile, handle it very carefully, and hold it upright. Squeeze some of the warm formula into a droplet at the end of the dropper and hold it up to the baby's mouth. Be very very careful to avoid getting it in the mouse's nose, as it will not be able to breathe. The mouse may not want to drink it at first, thinning it with some water may help. You will need to repeat this, a few drops each time (or until the baby refuses to drink any longer) at regular intervals through the day. Watch for bloat. This is a digestive problem where the stomach fills with gas and is very painful. If bloat occurs, place the baby, belly down on a heating pad and massage by taking index finger and thumb and placing on both sides just below the rib cage. Gently but firmly push in and back. Keep doing this for as long as you can. The baby also cannot go to the bathroom on it's own. It's mother cleans the waste from it's body with her tongue. Take a Q-tip and wash the baby's genitals in small movements until the baby goes to the bathroom. If there is black dried excrement clean it off as it may be blocking the release of new material. You should notice both liquid and solid waste releasing through out the day, or the baby may be dehydrated. If this is the case, buy pedia lite rehydrating solution and give the baby several drops. SPECIAL NOTE: If the baby refuses to drink, it must be given Lactated Ringers Solution by injection. The baby should be given the fluids under the skin, but you should learn how to do this from a vet before attempting it yourself. You will have to get the Lactated Ringers Solution from your vet anyway. If the baby is not given fluids, it will become dehydrated. You will need to keep the baby warm, fed and cleaned for up to two weeks before it will open it's eyes and begin to wander on it's own. You can start to ween it from the solution at about 4 weeks. You Can add a few pinches of crushed rodent blocks and may give small pieces of peeled Apple or peeled grape to practice gnawing food. At about 5 weeks or so make rodents blocks available at all times and add other fruits and vegetables to it's diet. By 6-7 weeks Rodent blocks should be the main staple of the diet as formula feeding decrease. If this is a wild mouse that you are nursing back to health you should make preparation to keep it for life. It will not survive if released back into the wild.