When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
The most expensive cow in the world was sold in 2009 for $1.2 million.
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Cats recognise the voice of their owner, but never evolved to care.
22
Tigers can see 6 times better at night than humans.
305
Ants tend to survive in a microwave because they find the coolest spot and wait!
17
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6