contour feather


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contour feather

n.
Any of the outermost feathers of a bird, forming the visible body contour and plumage.

contour feather

see contour feather.
References in periodicals archive ?
The molt of the tail and body contour feathers begins after the molt of the primaries are well advanced (after primaries 4-6 have been replaced) and are completed at the same time or shortly before completion of the molt of the primaries (Marin 2003).
As has been observed in virus isolation, viruses may be able to survive longer in differentiated epidermal tissue such as contour feathers.
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.