filoplume

Lowering her filoplume lashes until they almost swept the blush from her cheeks, she said ever so gravely, To be with you.

A third rarer type of feather, the filoplume, is hairlike and (if present in a bird; they are entirely absent in ratites) grows along the fluffy down feathers.

Beyond the differences in vocal performances, the Gunnison males perform a different sort of strut, tossing their elaborate neck feathers, or filoplume, over their heads like pony tails, and wagging their tail feathers at the end of the display.