The most expensive cow in the world was sold in 2009 for $1.2 million.
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It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Early American humans hunted car-size armadillos and used their shells for houses.
12
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Dogs have been man's pet for over 14,000 years.
224