Contour feathers

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Related to Contour feathers: Flight feathers, Down feathers
(Zool.) those feathers that form the general covering of a bird.

See also: Contour

References in periodicals archive ?
Contour feathers, meanwhile, provide a duck's body a layer of protection against wind and moisture.
In this study, feather samples were identified mainly by microscopic examination of the downy (plumulaceous) barbs that are located at the base of most contour feathers (Fig.
The semiplumes were fully developed by day 20-23 but were covered over by the emerging contour feathers by day 28.
We collected 3-5 contour feathers, plucked from the body, and 2 sets of oropharyngeal and cloacal swabs from each duck at 24-hour intervals from days 2 through 10 postinoculation (pi).