Bats are nocturnal flying mammals that are found all over the world.
Harry told the Dursleys that Sirius might turn them all into bats if he asked them to. (GF2)
Barny the fruit bat is the mascot for the Ballycastle Bats quidditch team. (QA7)
A hundred blood-sucking vampire bats were released during the final of the Quidditch World Cup between Transylvania and Flanders. (QA8)