Denmark has twice as many pigs as there are people.
66
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
Jellyfish as a species are actually older than dinosaurs and sharks.
383
Sheep, goats, octopuses, and toads have rectangular pupils.
7