Silver-partridge red-shouldered

Color and pattern male

Head: creamy-white.

Neck: hackle creamy-white; each feather with a green-glossy black shaft-stripe, running parallel to the edge, ends in a point near the tip; front of the neck black.

Back, shoulders and wing-arch: orange

Saddle-hackle: creamy-white with more or less distinct black shaft-stripes.

Saddle-hackle: creamy-white, each feather with amore or less distinct black shaft-stripe.

Tail: steering-feathers black; sickles and coverts green-glossy black.

Wings: black bow; wing-bar green-glossy black.

Primary-flights: black with a narrow white edge along the outer- vane.

Secondary-flights: inner-vane black, outer-vane creamy-white transitioning to brown towards the tip, forming a almost entirely creamy-white wing-bar with a visible brown edge on the upper-side when the wing is closed.

Breast: green-glossy black.

Belly, thighs and rear-part: black.

Down: greyish.

Serious faults

Yellow tint in hackles. Extensive white on breast, belly, and thighs. White in tail. Too dark color in hackles, back, shoulders and wing-arch.

Faults

Serious faults occur to a lesser extent. Incomplete colored wing-triangle.

Color and pattern female

Head: silvery-white.

Neck: hackle silvery-white, each feather with a black shaft-stripe, no high demands on the sharpness and the intensity, ends in a point near the tip; front of the neck similar to the breast.

Back, saddle, shoulders, bow and wing-coverts: light-grey with fine evenly distributed black peppering; minimal light-colored veins and slightly light lacing permitted but not desired; slightly darker warmer shade is permitted.

Primary-flights: black-grey with a narrow greyish-white outer-vane.

Secondary-flights: outer-vane similar to the back; inner-vane greyish-white.

Tail: black steering-feathers except for the upper ones, which like the coverts are light-grey with fine dark-grey peppering.

Breast: salmon transitioning to light-grey at the thighs, veins salmon.

Belly, thighs and rear-part: ash-grey.

Down: greyish.

Serious Faults

Red or rust on wings. Brown sheen on back, saddle and wing-coverts. Light veins. Yellowish tint in the neck-hackle. Complete lack of the shaft-stripe pattern.

Faults

Serious faults occur to a lesser extent. Slightly clumped peppering and light veins on the breast.

Feather details from:  http://www.kippenencyclopedie.nl

Website from Johan Albada with more than

  5000 photos of chickens, 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