Flight feathers (Pennae volatus) are the long, stiff, asymmetrically shaped, but symmetrically paired pennaceous feathers on the wings or tail of a bird;...

groups. Although feathers cover most of the bird's body, they arise only from certain well-defined tracts on the skin. They aid in flight, thermal insulation...

A quill is a writing tool made from a moulted flight feather (preferably a primary wing-feather) of a large bird. Quills were used for writing with ink...

different types of feathers: contour, flight, down, filoplumes, semiplumes, and bristle feathers. Feathers were not originally meant for flight. The exact reason...

non-avian dinosaur species also possessed feathers in some shape or form. The extent to which feathers or feather-like structures were present in dinosaurs...

impressions of feathers. Because these feathers are of an advanced form (flight feathers), these fossils are evidence that the evolution of feathers began before...

pennaceous feather is a type of feather present in most modern birds and in some other species of maniraptoriform dinosaurs. A pennaceous feather has a stalk...

durable, typically lasting many matches without any impairment to their flight. Feather shuttles are easily damaged and should be replaced every three or four...

trimming a bird's primary wing feathers or remiges so that it is not fully flight-capable, until it moults, sheds the cut feathers and grows new ones. This...

the secondary flight feathers, known as the secondary coverts, and those on the outer wing, which overlay the primary flight feathers, the primary coverts...