White cuckoo-columbian

Color and pattern male

Head: white.

Neck: each hackle-feather with a medium-wide alternating dark- and light- grey barred shaft-stripe surrounded by a narrow silver-white lace running around tip; front of the neck white.

Back, shoulders and saddle-hackle: white, below the neck-hackle black and white.

Tail: steering-feathers, sickles  and coverts slightly clouded alternating dark- and light- grey barred; support-feathers and smaller-coverts similar but with white lacing.

Wings: bow white, may be partially cloudy with alternating dark- and light-grey barring ; wing-arch and wing-bar white.

Primary-flights: slightly cloudy with alternating dark- and light- grey barred with a white lace on the outside of the outer-vane.

Secondary-flights: inner-vane slightly cloudy with alternating dark- and light-grey barred with a white lace that runs around the tip; outer-vane white, forming a complete white wing when it is closed.

Breast, flanks, thighs, belly and rear-part: white.

Down: white.

Serious faults

Insufficient or broken shaft-stripes in the neck-hackle. White in the sickles. Shaft-stripes in the saddle-hackle. Strong presence of grey in the parts that should be white. 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 areas instead of cuckoo.

Color and pattern female

Head: white.

Neck: each hackle-feather with a medium-wide, alternating dark- and light- grey barred shaft-stripe, surrounded by a narrow silver-white lace running around tip; front of the neck white.

Back and shoulders: white, below the neck-hackle black and white.

Tail: steering-feathers slightly cloudy alternating dark- and light-grey barred, except for the upper feather on both sides, which are vague white-laced; coverts slightly cloudy alternating dark- and light-grey barred with narrow white lacing.

Wings: bow and coverts white.

Primary-flights: slightly cloudy alternating dark- and light-grey barred with white lace on the outside of the outer-vane.

Secondary-flights: inner-vane slightly cloudy alternating dark- and light-grey barred with a white lace running around the tip; outer-vane white, forming a complete white wing when it is closed.

Breast, flanks, thighs, belly and rear-part: white.

Down: from white to light blue-grey.

Serious faults

Insufficient or broken shaft-stripes in the neck-hackle. Broad and vague white lace tail-coverts. Strong presence of grey in the areas that should be white. 

Faults

Serious faults to a lesser degree. Insufficient pattern in tail-coverts and wing-flights. Presence of entire black or partial black feather areas instead of cuckoo.

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