A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
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There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
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Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
The oldest recorded elephant lived for 82 years.
213
When dragonflies mate, their tails form a love heart.
22
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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