Welsh Harlequin

In 1949, in Criccieth, Group Captain Leslie Bonnet discovered a colour mutation among his flock of Khaki Campbells and began selective breeding for the trait.

[1]: 199 Today, the Welsh Harlequin is a light-weight duck breed known for its vivid plumage and egg laying ability.

Females have a black bill and brown legs and feet, and their plumage is similar to a mallard but heavily frosted with white.

They have become a popular backyard pet in recent years due to the bird's calm demeanor and high egg production.

[1]: 199  As of 2016 the Welsh Harlequin in North America has jumped from critical to watched by the American Livestock Breeds Conservancy.

Welsh Harlequin female.
Welsh Harlequin Duck, only truly Welsh breed of duck