The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
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