This fear often overshadows the fascinating fact that bats are the only mammals to have evolved powered flight, and they’ve been flapping around for tens of millions of years. Did you know bats are the only true flying mammals Bats are the only mammals capable of true flight
Bats: The Only True-Flying Mammal | Discover Animals
Other mammals like the flying squirrel glide rather than actually fly.
Bats are the only true flying mammals on earth, belonging to the order chiroptera
With their forelimbs evolved into wings, they are capable of true and sustained flight, unlike other mammals such as flying squirrels, which can only glide. Although a flying squirrel appears to fly, in truth it is only gliding Bats, on the other hand, are the only mammals in the world that can actually fly and control their flight Their scientific name, chiroptera, originates from the greek language, and means “hand wing”.