Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
Sharks, like other fish, have their reproductive organs in their chests.
248
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Lurch, a Watusi bull, had the largest horns in the world.
32
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20