Red-partridge
Color and pattern male
Head: rich golden-brown.
Neck: hackle rich golden-brown, lower hackle feathers with somewhat black shaft-stripes; front of neck black similar to the breast.
Back, shoulders and wing-bows: bright red-brown.
Saddle: hackle golden-brown, feathers bordering the tail-coverts have barely visible shaft-stripes.
Tail: main- and support-feathers black; sickles and coverts glossy green-black, the latter slightly brown-laced.
Wings: front black, wing-bar somewhat violet-like glossy black with or without some peppering
Primary-flights: black with a narrow brown edge along the outer-web.
Secondary-flights: inner-web black with a slightly brown peppered edge and feather-end, outer-web umber-brown, forming a umber-brown wing-bay when the wing is closed.
Breast: black, visibly mixed witrh red mottling.
Flanks: black mixed with some brown.
Thighs: dull black slightly more heavily mixed with brown.
Belly: dull black whether or not mixed with some brown.
Fluff: grey to pale-black mixed with some brown peppering.
Down: greyish.
Serious faults
White in any part of the plumage. Red breast and strong shaft-stripes.
Faults
Too much brown on the breast, flanks, thighs and belly. Slightly too much shaft-stripes. Incomplete colored wing-triangle.
Color and pattern female
Head: golden-brown.
Neck: hackle from top to bottom changing from red-brown to light golden-brown with slightly interrupted blackish shaft-stripes with a golden center in the lower half of the hackle, black increasing slightly in intensity towards the bottom; front of neck similar to the breast.
Back, shoulders, wing-coverts and saddle: warm red-brown each feather with blackish peppering without light edging.
Primary-flights: outer-web black with yellow-brown peppering, inner-web dull black, slightly brown peppered at the tip.
Secondary-flights: outer-web brown with black peppering, inner-web more strongly peppered.
Tail: dull-black main-feathers except for the upper ones, which are peppered with dull-brown along the edges, coverts similar to the back with slightly more blackish peppering.
Breast: evenly salmon brown-red.
Thighs: salmon-brown
Belly: salmon-brown changing to brown-grey towards the fluff.
Fluff: brown with greyish peppering.
Down: greyish.
Serious faults
White in any part of the plumage. Solid red feathers on back, shoulders and wing-coverts. Too light ground-color.
Faults
Too red or too grey glow on back, shoulders, wing-coverts and saddle. Too much shaft-stripes. Light veins.
Feather details from: http://www.kippenencyclopedie.nl
Website from Johan Albada with more than
5000 photos of chicken-breeds, chicken color varieties and feathers.
Genetic code: https://kippenjungle.nl/Overzicht.htm
Website from Henk Meijers with all available information regarding chicken genetics including the world famous
Chicken Color Calculator
Create Your Own Website With JouwWeb