Mice in garden

Any know anything about mice have got some at the bottom of my garden. would get a pic but can't get it to stick around for long enough, brown in colour big ears for a mouse anyway and big eyes like aliens really cute little thing just wanted to know what kind

If they are small they could be field mice? We have lots around here as there are nothing but fields at the back of me.

i have field mice as im also surrounded by fields