There are more than one million animal species on Earth!
71
The United States has never lost a war when donkeys were used.
139
Only female bees work.
20
A rodent's teeth never stop growing.
16
The most powerful electric eel is found in the rivers of Brazil, Columbia, Venezuela, and Peru, and produces a shock of 400-650 volts.
45
A group of kangaroos is called a mob.
28
By feeding hens certain dyes they can be made to lay eggs with multi-colored yolks.
40
The largest earthworm on record was found in South Africa and measured 22 feet.
151