Cows can sleep standing up, but they can only dream lying down.
745
A group of pugs is called a grumble.
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
A giraffe's kick is so powerful that it can decapitate a lion.
216
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268