The
Dutch standard of the Yellow-belly
(Translated
by Andy Verelst)
Description of plumage colour in the
drake:
Head: Lustrous green.
Eyes: Dark brown.
Bill: Greenish, a little dark cast is admitted.
Blackish bean.
Neck: Lustrous green. A sharply marked, not too
large white neck ring completely encircles the neck and divides it from
the breast colour.
Breast: Upper breast reddish buff changing to buff
towards the belly.
Belly and flanks:
Belly light buff. Flanks blue-grey on the upper parts, changing to
brownish buff on the lower parts.
Back: Upper part grey mixed with brown. Rump and
sex-curls greenish black.
Wings: Coverts brown, bordered with light grey.
Tertials greyish brown. Specula greenish blue bordered by black and
white. Primaries blackish grey, becoming a little paler at the tips.
Tail: Dark grey-brown, bordered with white.
Legs: Deep orange.
Description of the plumage colour in the duck:
Head: Brown with distinct markings and two brighter
stripes, both starting at the base of the bill and one passing above and
the other under the eye.
Eyes: Dark brown.
Bill: Orange-brown with blackish bean.
Neck: Buff in the front. In the back a brown stripe
extends from the crown to the base of the neck. This stripe is a bit
darker on the head.
Breast: Entirely buff.
Belly and flanks:
Belly a lighter buff than the breast and flanks. Flanks entirely buff.
Back: Buff with faint grey markings.
Wings: Coverts greyish yellow-brown with light brown
markings. Tertials brownish grey. Specula greenish blue bordered by
black and white. Primaries brownish grey, becoming a little paler at the
tips.
Tail: Main tail feathers light brown with pale edge. Undertail brown.
Legs: Orange.
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