Chiropters (commonly known as bats), are the only mammals capable to fly.
Paradoxically, it could also include Superman, but not Batman, because he does not fly. He glides, so to say.
Source: http://en.wikipedia.org/wiki/Bat
(*) If you are friendless, this my be the right thing to start gather some!
Waw ZeBigNasty, what a perfect english meaning you have. I’m amazed !
I am not too convinced by the use of the term “Mammal”, thoud. Did you check it?
Harrap’s himself said me that… Do you have another idea ?