Fun Facts about Chickens    [12-06-2009] ▶ People started domesticating chickens over 8,000 years ago. ▶ On average, a hen lays 300 eggs per year. ▶ A mother hen turns her egg about 50 times in a day. ▶ A hen has to eat about 2 kilograms of feed to lay a dozen eggs. ▶ The largest chicken egg ever laid weighed about 450 grams. ▶ Hens produce larger eggs as they grow older. ▶ Chickens lose their feathers when they are stressed. ▶ Chickens with red earlobes produce brown eggs, while chickens with white earlobes produce white eggs. ▶ The chicken’s heart beats 300 times a minute. ▶ The longest recorded flight of a chicken is 13 seconds. ▶ China has the largest number of chickens in the world. ▶ The chicken is the closest living relative of the tyrannosaurus rex.     출처: 어린이 영자신문 키즈타임즈 (www.kidstimes.net)