There are approximately three chickens for every human on Earth.
13
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11
Sharks have been on the planet longer than trees.
14
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
Ants have tiny magnetic compasses in their antennae which help them navigate.
9