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
In just about every species of mammal, the female lives longer than the male.
43
The pea aphid insect explodes itself thereby sacrificing its life to protect its relatives from predators.
3
A 4-foot walrus penis bone sold at auction in 2007 for $8,000.
202
The average housefly lives only two weeks.
39
The world's oldest crow was 59 years old. Its name was Tataji.
215
Dogs have been man's pet for over 14,000 years.
224