The ancestor of all domestic cats is the African Wild Cat which still exists today.
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Dogs have been man's pet for over 14,000 years.
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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.
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The cat brain weighs about 30g.
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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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Penguins have a gland above their eye that turns saltwater into freshwater.
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Mosquitoes don't just bite you, they also pee on you.
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