The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
Denmark has twice as many pigs as there are people.
66
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Sharks, like other fish, have their reproductive organs in their chests.
248
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12