Cows can sleep standing up, but they can only dream lying down.
745
Early American humans hunted car-size armadillos and used their shells for houses.
12
The colossal squid has the largest eyes in the world.
4
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Jellyfish as a species are actually older than dinosaurs and sharks.
383