Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Alligators can live up to 100 years.
337
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255