A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Cows can sleep standing up, but they can only dream lying down.
745
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Squirrels forget where they hide about half of their nuts.
698