One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Giant Anteaters' front legs look like a panda.
48
In Australia, there are spiders big enough to eat snakes.
20
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79