Premise: How to save a baby wild mouse<br>Coax the foster mother out of her nest. If you have a domestic mouse with babies roughly the same size, you may be able to get the mother mouse to take care of the baby wild mouse. Lure the mother mouse out of her nest and put her in a separate holding area, so she can't see what you're doing.
Hypothesis: Wild mice are a very tasty delicacy in England.