contour feathers


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Related to contour feathers: Flight feathers, Down feathers

contour feathers

the vaned feathers possessing barbules that chiefly cover the body of a bird and give it a streamlined form. Those which extend beyond the body on the wings and serve for flight are termed flight feathers.
References in periodicals archive ?
Semiplumes lay under the contour feathers and over the down feathers.
Iridescent colors such as the head feathers of greater scaup, a hummingbird's throat patch (gorget), and the contour feathers of a grackle, all work in a similar way.
Body or contour feathers cover down feathers to provide a smooth and waterproof surface.
The specimens from Liaoning show evidence that Confuciusornis had feathers along its leg, making this the earliest record of contour feathers, as distinct from flight feathers.