The seahorse is the only fish to have a neck.
12
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18
Only 3% of bird species have penises.
0
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11