Any of the mainly small feathers that form the outline of an adult bird’s plumage.
- A set of avian feathers have even been found, including a superb fragment of a contour feather.
- They often share a follicle with a contour feather.
- The insulation theory is based on the conclusion that primitive feathers were a type of contour feather.
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Syllabification: con·tour feath·er
Definition of contour feather in:
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