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There are more chickens on Earth than people - 25 billion, outnumbering any other bird species.
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Chickens can remember over 100 different human faces and even recall animal faces.
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A hen turns her eggs about 50 times a day and can lay more than 300 eggs annually.
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The record for the most eggs laid by a chicken in one day is 7, while in a year it's 371.
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Chickens were domesticated in Southern China approximately 8,000 years ago.
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The color of an egg depends on the hen's earlobes - red ears produce brown eggs and white ears produce white eggs.
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As chickens age, they lay larger eggs but in fewer quantities.
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Chickens can taste salt but not distinguish sweetness.
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In Gainesville, Georgia, it's illegal to eat fried chicken with utensils - it must be eaten with bare hands.
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A chicken needs about 1.5 kilograms of feed to lay a dozen eggs.
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Every 0.05 seconds, 97 chickens are consumed worldwide.
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The UK has significantly reduced salmonella cases by vaccinating chickens.
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A rare breed of chicken from Indonesia is completely black due to hyperpigmentation, costing $2,500.
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A "chicken gun" is used to test aircraft durability, shooting dead chickens at planes at takeoff/landing speeds.
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Laetiporus, a wild mushroom, tastes similar to chicken and is known as "fried chicken mushroom".
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South Korea has more fried chicken restaurants than there are worldwide McDonald's outlets.
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Buffalo wings were initially unpopular until a restaurant grilled and named them after Buffalo, New York, where they were created in 1964.
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The record for the most yolks in an egg is 9.
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The heaviest chicken egg on record weighed over 300 grams and had two yolks.
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Americans consume 8 billion chickens annually, with each American eating 80 pounds of chicken compared to 63 pounds of beef.
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A chicken can run the length of a football field after its head is cut off before dropping dead.