White blackcolumbian
Color and pattern male
Head: white.
Neck: each feather of the hackle has a medium-wide, green-glossy black shaft stripe, surrounded by a narrow, silver-white lace, which runs around the feather-tip; front of the neck white.
Back and saddle-hackle: upper plumage white, between the shoulders below the neck-hackle black and white; saddle-hackle white or white with black shaft-stripes that extends from the tip of the feather no more than halfway down.
Tail: steering-feathers black; support-feathers black with white lacing; sickles and coverts green-glossy black; small-coverts green-glossy black with narrow silver-white lacing.
Wings: bow white, may be partly black; shoulder arch and wing-bar white.
Primary-flights: black with white lace on the outside of the outer-vane.
Secondary-flights: inner-vane black with white lace that runs around the feather tip; outer-vane white so that when the wing is closed it is complete white.
Breast, belly, body and thighs: white.
Down: light blue-grey.
Serious faults
Insufficient pattern in the hackle(s). White in the sickles. Pattern in the white saddle-hackle. Strong presence of black in areas that should be white on the surface, such as wing-coverts, breast, body and thighs. Broken shaft-stripes. Strong yellow tint in the ornamental feathers.
Faults
The above serious faults occurring to a lesser extent. Insufficient pattern on the tail support-feathers and the wing-flights.
Color and pattern female
Head: white.
Neck: hackle, starting approximately at the transition of neck and head, has a medium-wide, green-glossy black shaft-stripe pattern, completely surrounded by a narrow, silver-white lace; front of the neck white.
Shoulders: white.
Back: white, between the shoulders below the neck-hackle black and white.
Tail: steering-feathers black, except for the top two feathers, which are faintly white-laced; coverts black with narrow white lace.
Wings: bow and coverts white.
Primary-flights: black with white lace on the outside of the outer-vane.
Secondary-flights: inne- vane black with white lace that runs around the feather tip; outer-vane white, so that when the wing is closed it is complete white.
Breast, belly, thighs and rear-part: white
Down: light blue-grey.
Serious faults
Insufficient pattern in the neck-hackle. Broad and indistinct white lace tail-coverts. Strong presence of black in areas that should be white on the surface, such as the wing-coverts, breast and the body. Broken shaft-stripes.
Faults
The above serious faults occurring to a lesser extent. Insufficient pattern in the tail support-feathers and the wing-flights.
Feather details from: http://www.kippenencyclopedie.nl
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