White blue-columbian
Color and pattern male
Head: white.
Neck: each hackle-feather with a medium-wide bright-blue middle-stripe, surrounded by a narrow silver-white lace running around the tip; front of the neck white.
Back, shoulders and wing-bows: white, below the neck-hackle bright-blue and white.
Wings: front white, may be partly bright-blue; wing-bar white.
Primary-flights: bright-blue with white lace on the outside of the outer-web.
Secondary-flights: inner-web bright-blue with white lace running around the tip; outer-web white, forming a complete white wing when it is closed.
Saddle-hackle: white or white with bright-blue middle-stripes, similar to the neck-hackle, extending from the tip of the feather no more than halfway down.
Tail: main-feathers bright-blue; support-feathers bright-blue with white lacing; sickles and coverts bright-blue, smaller-coverts with narrow silver-white lacing.
Breast, flanks, thighs, belly and fluff: white.
Down: light blue-grey.
Serious faults
Insufficient pattern or middle-stripes break throug in the neck-hackle. White in the sickles. Strong presence of bright-blue in areas that should be white on the surface such as wing-coverts, sides of the breast and flanks. Strong yellow tint in the ornamental feathers.
Faults
Serious faults to a lesser degree. Insufficient pattern in tail support-feathers and wing-flights. Presence of entire black or partial black feather-parts within blue. Much too dark- or much too light blue color.
Color and pattern female
Head: white.
Neck: each hackle-feather with a medium-wide bright-blue middle-stripe, surrounded by a narrow silver-white lace running around the tip; front of the neck white.
Back and shoulders: white, below the neck-hackle bright-blue and white.
Wings: front and coverts white.
Primary-flights: bright-blue with white lace on the outside of the outer-web.
Secondary-flights: inner-web bright-blue with white lace running around the tip; outer-web white, forming a complete white wing when it is closed.
Tail: main-feathers bright-blue, except for the top two, which are vague white-laced; coverts bright-blue with narrow white lace.
Breast, flanks, thighs, belly and fluff: white.
Down: light blue-grey.
Serious faults
Insufficient pattern or middle-stripes break throug in the neck-hackle. Broad and vague white lace tail-coverts. Strong presence of bright-blue in areas that should be white on the surface such as wing-coverts, sides of the breast and flanks.
Faults
Serious faults to a lesser degree. Insufficient pattern in the tail-coverts and wing-flights. Presence of entire black or partial black feather-parts within blue. Much too dark- or much too light blue color.
Feather details from: http://www.kippenencyclopedie.nl
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5000 photo's of chickens, chicken color varieties and feathers.
Genetic code: https://kippenjungle.nl/Overzicht.htm
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