The oldest recorded elephant lived for 82 years.
213
Cats recognise the voice of their owner, but never evolved to care.
22
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
Denmark has twice as many pigs as there are people.
66
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4