The ancestor of all domestic cats is the African Wild Cat which still exists today.
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It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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Sharks, like other fish, have their reproductive organs in their chests.
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A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
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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.
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Bats sleep 18-20 hours per day.
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