When cats are happy, they may squeeze their eyes shut.
10
The largest earthworm on record was found in South Africa and measured 22 feet.
151
The elephant brain weighs about 6,000g.
274
Lurch, a Watusi bull, had the largest horns in the world.
32
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16