Gorillas can catch human colds and other illnesses.
205
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Cats recognise the voice of their owner, but never evolved to care.
22
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Cows can sleep standing up, but they can only dream lying down.
745
Sharks, like other fish, have their reproductive organs in their chests.
248
The most expensive cow in the world was sold in 2009 for $1.2 million.
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