The Campbell is a British breed of domestic duck. It was developed at Uley, in Gloucestershire, England, at the turn of the 20th century; being introduced to the public in 1898 and the Khaki variety in 1901. In 1941 Khaki Campbell Ducks were introduced to the American Standard of Perfection. The egg production of the Campbell breed can exceed even the most efficient of egg-laying domestic chickens, with the breed laying an average of 300 eggs a year. On this pic, there are 2 yellow, 2 black and one yellow black; both parents were black! revise your genetic Lesson!!