Cats and dogs can hear ultrasound.
350
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
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
Dogs have been man's pet for over 14,000 years.
224