contour feather

"However, it could be a covert or a contour feather, especially since the latter are not well known in Archaeopteryx."

Sleek contour feathers over thick down, pearls of water running over white feathers thick and curled as paper sculpture.

He was so close she could hear his contour feathers buzz in the wind.

These feathers occupy the position of the ultimate contour feathers.

Most of the down and contour feathers were removed to allow the preservative to reach the skin.