A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Cats recognise the voice of their owner, but never evolved to care.
22
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212