A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Cats and dogs can hear ultrasound.
350
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Two dogs were among the Titanic survivors.
262
The most expensive cow in the world was sold in 2009 for $1.2 million.
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