A group of kittens is called a "kindle".
10
Denmark has twice as many pigs as there are people.
66
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
Two dogs were among the Titanic survivors.
262
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Early American humans hunted car-size armadillos and used their shells for houses.
12