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
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
Sharks, like other fish, have their reproductive organs in their chests.
248
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
When dragonflies mate, their tails form a love heart.
22
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10