Denmark has twice as many pigs as there are people.
66
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
When cats are happy, they may squeeze their eyes shut.
10
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
A 42-foot sperm whale has about 7 tons of oil in it.
209
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
A puppy is born blind, deaf, and toothless.
16