When cats are happy, they may squeeze their eyes shut.
10
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Early American humans hunted car-size armadillos and used their shells for houses.
12