Welsh Harlequin Duck:

Domestic Duck

Originated from Wales

1949, Leslie Bonnet discovered a colour mutation among his flock of Khaki Campbells

Similar to Mallards, but heavily frosted with white

<https://en.m.wikipedia.org/wiki/Faroese_Islands_domestic_animals>

<https://en.m.wikipedia.org/wiki/Golden_Cascade>

<http://knowledgebase.lookseek.com/Huttengem-Duck-Anas-sparsa.html>

<https://en.m.wikipedia.org/wiki/Indian_Runner_duck>

<https://en.m.wikipedia.org/wiki/Khaki_Campbell>

<https://en.m.wikipedia.org/wiki/Magpie_duck>

<https://en.m.wikipedia.org/wiki/Orpington_Duck>

<https://en.m.wikipedia.org/wiki/Pomeranian_duck>

<https://en.m.wikipedia.org/wiki/Rouen_duck>

Bibliography:

<https://en.m.wikipedia.org/wiki/Welsh_harlequin>

<https://en.m.wikipedia.org/wiki/American_Pekin_duck>

<https://en.m.wikipedia.org/wiki/Swedish_Blue>

<https://en.m.wikipedia.org/wiki/Cayuga_duck>

<http://www.livestockconservancy.org/index.php/heritage/internal/dutch>

<https://en.m.wikipedia.org/wiki/Elizabeth_duck>

<https://en.m.wikipedia.org/wiki/Silver_Appleyard_Duck>

<http://www.cooksinfo.com/tsaiya-duck>

<https://en.m.wikipedia.org/Welsh_harlequin>