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
There's a rare breed of pig that looks like a sheep.
14
A 42-foot sperm whale has about 7 tons of oil in it.
209
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
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Condoms were originally made of animal intestines or linen.
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