Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Cats recognise the voice of their owner, but never evolved to care.
22
The octopus does not have a blind spot.
273
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
The cat brain weighs about 30g.
167
The colossal squid has the largest eyes in the world.
4