The average housefly only lives for 2 or 3 weeks.
Only male lions boast manes, the impressive fringe of long hair that encircles their heads.
The mouth of a blue whale is so massive, it can hold its own body weight in water.
Elephants are scared of bees.
Bugs often end up on their backs when they die because blood flow decreases and their legs deflate, making them top heavy.
The age of a fish can be determined by its number of fish scales.
Phaneromaniacs are obsessed with picking their scabs and biting their nails.
An estimated 1 million dogs in the U.S. are the primary beneficiary in their owners' wills.
Robin Williams had been diagnosed with Parkinson's disease before he died.
The distinctive spots that cover a giraffe's fur act as a good camouflage to protect the giraffe from predators.