The Basenji dog is the only dog that is not able to bark.
4
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
Drivers kill more deer than hunters do.
660
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
A cow produces around 200,000 glasses of milk in her lifetime.
373
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20