Moles. They're small, furry, and make for adorable sidekicks in cartoons. But in real life, they can cause a lot of damage to your lawn and their molehills can cause injury to livestock. Biology and Tunnels Moles are small, furry, solitary wildlife that range from 4.4 – 7 inches in length, not … Read more about Moles, they’re everywhere! But you don’t need a dermatologist.