Fun Facts about Ducks    [21-03-2009] - Ducks are relatives of geese and swans. - A male duck is called a drake; a female is called a duck; babies are called ducklings. - Ducks have three eyelids. - Ducks were once wild many hundreds of years ago. They were domesticated by the Chinese. - Ducks’ feathers are waterproof. - Ducks never feel cold, even if they swim in cold water. This is because their feet have no nerves or blood vessels. - Ducks have webbed feet. Their feet act like paddles. - Some ducks can fly as much as 530 kilometers a day! - Ducks can live from 2-12 years, depending on the species. - When ducks quack, they have no echo. - Ducks fill their nests with feathers they pluck from their chest.     출처: 어린이 영자신문 키즈타임즈 (www.kidstimes.net)