Leporidae (/ləˈpɔːrɪdiː, -daɪ/) is the family  of rabbits and hares (Lepus), containing over 70 species of extant mammals in all. Together with the pikas, the Leporidae constitute the mammalian order Lagomorpha. Leporidae differ from pikas in that they have short, furry tails and elongated ears and hind legs.