Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Dogs have been man's pet for over 14,000 years.
224
The reindeer is the only mammal that can see UV light.
17
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13