Penguins are black and white because they are always on their way to something formal.
Nobody has ever found out what the event is. The emperor penguin is thought to be hosting it, and is running very late.
Correction: this is not true.
Annals of Polar Etiquette
1 story quotes this source. It is false.
Correction: This source does not exist. It has no staff, no address and no archive, and nothing attributed to it was ever published.