Which mammales can fly?

Answer 1

Bats are the only known mammals that can fly. However, the flying squirrel and the sugar glider are two species of mammals that can glide from a high point to a lower point and cover up to 50 metres of ground. This is useful for jumping large distances between trees.
Bats - no question. Flying squirrels - power glide only. Flying lemur - parachute jump only, not impressive.
Many mammals are called "flying" mammals, like flying squirrels. But they glide. The only mammals capable of true powered flight are bats.

Answer 2

The only mammal to with the ability to fly is the bat.

Answer 3

bat