A bat.
Bat is the mammal that can only fly.
Bats are the only mammal that can fly. However, there are 950 species of Bats.
That would be the bat. So far they are the only know mammal to really fly. Some squirls were said to fly but they don't they glid.
The only mammal that can fly is the bat.
Man is the only mammal that cannot fly but does. He uses aeroplanes. (And the penguin is not a mammal: it is a bird and some say it 'flies' underwater.)
humans.
The only flying mammal is a bat. They are from the order Chiroptera.
The only mammals that can truly are bats. There are actually hundreds of species of bats on Earh, and they make up a large percentage of mammal species. There are other animals whose names suggest they can fly, such as the flying squirrel, but they can only glide.
A bat
a flying pig
The pygmy shrew is Ireland's smallest mammal. About half the size of a field mouse.
A fly is not a mammal, reptile, or amphibian. A fly is an insect.