When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
Female kangaroos have three vaginas.
2
Sharks have been on the planet longer than trees.
14
Cows can sleep standing up, but they can only dream lying down.
745