contour feather

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Related to Contour feathers: Flight feathers, Down feathers

contour feather

[′kän‚tu̇r ‚feth·ər]
(vertebrate zoology)
Any of the large flight feathers or long tail feathers of a bird. Also known as penna; vane feather.
References in periodicals archive ?
Most veterinarians recommend cutting the flight feathers (rectrices) just under the second row of contour feathers.
The presence of contour feathers is important because it bears on whether early birds were warm-blooded.
12) In described cases of eagles with this syndrome, all remiges and retrices are malformed, (9,13) and contour feathers are sometimes malformed to varying degrees as well.
The feather identification technique involves both examining the microscopic variation in characters in the plumulaceous (downy) barbs that are located at the base of most contour feathers (Fig.