The Cayuga duck was standardised in America in 1874 and later in Britain in 1901. Keeping Cayuga ducks The Cayuga is a stunning duck to keep, mainly due to the lustrous beetle green sheen that reflects sunlight at certain angles making it look almost iridescent.
There are 2 kinds of Khaki Campbells. Light and Dark. The Darker Khaki's are a darker shade of khaki brown. The Light Khaki's are a lighter shade of khaki brown. Now comes the interesting part, you have to look at the bean on the end of the bill. The adult males have a darker bean then the rest of their bill.
Other common names: Exhibition Rouen; Production Rouen; Giant Mallard Duck The basics: The Rouen Duck was first developed in the 1700's around the town of Rouen, in Normandy, France. The Rouen was derived from the Mallard, and shares the same color of plumage, though it is a much larger and heavier duck.
The Ancona is a hardy, adaptable, all-purpose duck. It is an excellent layer, typically laying 210-280 white, cream, or blue eggs yearly. The Ancona also grows relatively quickly, and produces high quality meat that is more flavorful and less fatty than that of most Pekin ducks.
The Buff or Buff Orpington was developed by the William Cook family who lived in the Orpington area of Kent, England in the early 1900s. It was developed as a multipurpose bird, with the ability to lay good quantities of eggs along with having the size and feather color to make a good roasting duck.
Adult Campbell ducks weigh approximately 3-5 pounds. Campbells can come in three color varieties: khaki, dark and white. They are a cross between Mallard, Rouen and Runner ducks. The Khaki Campbell drake is mostly khaki colored with a darker head usually olive green lacking the white ring of its Mallard ancestors.
The Magpie duck is similar in size and shape as the Khaki Campbell. They are predominantly white but have two areas of black plumage a ‘cap’ on the top of the head and patch on the back. The black ‘cap’ becomes flecked with white as the bird ages and some even turn completely white.
The Welsh Harlequin is a lightweight breed at 5-6 pounds, are streamlined, with relatively long bodies and wide-spaced legs. Welsh Harlequins are either gold phase or silver phase. The difference in golden and silver phase Harlequins is subtle in drakes.