contour feather


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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.
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.
The color and pattern of contour feathers may be invariant across all age and sex classes in a species.