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
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8
Whales and dolphins can't taste anything other than salt.
11
Denmark has twice as many pigs as there are people.
66
Sharks, like other fish, have their reproductive organs in their chests.
248