Dogs have been man's pet for over 14,000 years.
224
Cats recognise the voice of their owner, but never evolved to care.
22
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
The most expensive cow in the world was sold in 2009 for $1.2 million.
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