An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
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
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
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
A giraffe's kick is so powerful that it can decapitate a lion.
216
A 42-foot sperm whale has about 7 tons of oil in it.
209