Cats recognise the voice of their owner, but never evolved to care.
22
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
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Sheep, goats, octopuses, and toads have rectangular pupils.
7