freetail

/ˈfriːteɪl/
noun
  1. A type of bat, also called a free-tailed bat, whose tail extends beyond the tail membrane.
    • We saw a colony of freetail bats emerging from the cave at dusk.
    • The Mexican freetail bat migrates long distances every year.
    • The freetail bat is known for its fast flying speed.
Synonyms