There are approximately three chickens for every human on Earth.
13
Cats and dogs can hear ultrasound.
350
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
Moths are unable to fly during an earthquake.
328
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
The cat brain weighs about 30g.
167
The colossal squid has the largest eyes in the world.
4