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...

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...

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...

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

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...

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

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...

five small flight feathers, with the exact number depending on the species. There also are minor covert feathers overlying the flight feathers. Like the...

adaptations that developed to aid flight. There are, for example, numerous terms describing the complex structural makeup of feathers (e.g., barbules, rachides...

side to the rear of the feather. This feather anatomy, during flight and flapping of the wings, causes a rotation of the feather in its follicle. The rotation...

and down feathers are generally identified as the main target, although in some cases, tail and flight feathers are affected. Although feather-plucking...

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

dimorphism. During the breeding season, males will grow broad ornamental flight feathers longer than their body. The standard-winged nightjar is a resident...

their body. The down feathers are small and hairlike at the base of each flight feather. The legs and feet are thin and lack feathers, and are vulnerable...

Over the years, fourteen body fossil specimens of Archaeopteryx and a feather that may belong to it have been found, although the Haarlem specimen was...

shed some old feathers, then pin feathers grow in to replace the old feathers. As the pin feathers become full feathers, other feathers are shed. This...

long feathers on the legs of Microraptor were true flight feathers as seen in modern birds, with asymmetrical vanes on the arm, leg, and tail feathers. As...

tissue in the body that connects bones to other bones. It also connects flight feathers to bones, in dinosaurs and birds. All 30,000 species of amniotes (land...

calligraphy. A quill is a pen made from a flight feather of a large bird, most often a goose. To make a quill, a feather must be cured through aging or heat-treatment...

week. Steppe buzzard molt their feathers rapidly upon arrival at wintering grounds and seems to split their flight feather molt between breeding ground in...

predominantly grey plumage, with a flattened dark crest and black flight feathers and thighs. Breeding can take place at any time of year but tends to...

damaged feathers, not in feathers that have fallen off completely, and is only used for flight feathers on the wing and for rectrices (feathers of the...

surface made up of uncovered flight feathers. In some Anchiornis fossils, on the other hand, several layers of covert feathers seem to extend down to cover...

"Interspecific variation in the structural properties of flight feathers in birds indicates adaptation to flight requirements and habitat". Functional Ecology....

these are the flight feathers mentioned above. There are typically 12 to 16 tail feathers. James's flamingos molt their wing- and body feathers according...

coloration, and are similar in size. The body feathers are mostly brownish-black, but the flight feathers on the wings appear to be silvery-gray beneath...

thought that large feathers, especially flight feathers on the feet were lost in all living birds as it was too inefficient in powered flight. Domestic pigeons...

where it is an introduced species. Black swans are black-feathered birds, with white flight feathers. The bill is bright red, with a pale bar and tip; and...