The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Cows can sleep standing up, but they can only dream lying down.
745
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8