Parrot parents "name" their children with a signature call.
112
When cats are happy, they may squeeze their eyes shut.
10
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
A 42-foot sperm whale has about 7 tons of oil in it.
209
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Sheep, goats, octopuses, and toads have rectangular pupils.
7