When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Cats sleep for 70% of their lives.
8
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12