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
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
In Australia, there are spiders big enough to eat snakes.
20