Also known as the ratmouse, looks very similar to a true rat species, the Gambian pouched rat, but is actually most closely related to the another adaptable mouse species, the house mouse, which also thrives in human settlements.
The Big mouse is a species of mouse that is about the size of a squirrel. It is an omnivore. It is passive and it is more intelligent and less frightened than house mice. It is found everywhere except Antarctica.