The phrase "field mice" typically refers to small animals that live in fields or grassy areas. They are tiny rodents that scurry around and build nests underground.
Sentences with «field mice»
I had a similar reaction a few weeks ago when my cat brought in a live field mouse for me to play with. (theinspiredroom.net)
After feeding on an infected field mouse, a host deer tick will attach itself to a deer or dog before being introduced to a human host. (premierpetrelocation.com)