Cows can sleep standing up, but they can only dream lying down.
745
A dairy cow can produce more milk when listening to music.
446
Parrot parents "name" their children with a signature call.
112
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Squirrels forget where they hide about half of their nuts.
698
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
26
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34