Rattlesnake mating sessions have been known to last more than 22 hours.
232
Jellyfish as a species are actually older than dinosaurs and sharks.
383
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
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Dolphins have names for one another.
18