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The call is a series of quiet cheeps which become faster and higher-pitched. At dusk and dawn the males make a buzzing sound with their wing feathers as they fly around their territory. The rufous gnateater feeds by moving quickly from one perch to another through undergrowth close to the ground.
Red kite (Milvus milvus) in flight, showing remiges and rectrices. Flight feathers (Pennae volatus) [1] are the long, stiff, asymmetrically shaped, but symmetrically paired pennaceous feathers on the wings or tail of a bird; those on the wings are called remiges (/ ˈ r ɛ m ɪ dʒ iː z /), singular remex (/ ˈ r iː m ɛ k s /), while those on the tail are called rectrices (/ ˈ r ɛ k t r ...
The word is Latin and means "winglet"; it is the diminutive of ala, meaning "wing". The alula is the freely moving first digit, a bird's "thumb", and typically bears three to five small flight feathers, with the exact number depending on the species. There also are minor covert feathers overlying the flight feathers.
The undertail coverts are bright rufous or chestnut. The upper surface of the wings has barring formed by the covert feathers and their paler fringes. The wing linings are a faintly tawny off-white. The flight feathers of the wings are greyish brown; when the wing is folded, the primaries barely extend beyond the tertials. Those of the tail may ...
The remiges, or flight feathers of the wing, and rectrices, or flight feathers of the tail, are the most important feathers for flight. A typical vaned feather features a main shaft, called the rachis. Fused to the rachis are a series of branches, or barbs; the barbs themselves are also branched and form the barbules.
Onychognathus is a genus of starlings native to the Afrotropical realm.. All the species are quite similar, and characterised by rufous primary wing feathers, very obvious in flight.
Wing clipping is the process of 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 procedure is usually carried out by avian veterinarians, breeders, or the bird's owners, and primarily on pet birds like parrots.
The wings are long and are held straight and out stretched in flight. Burhinus have a marked carpal angle and the outer wing has minimal tapering, with a pointed tip in some species. The inner wing is thinner, with 16-20 secondary feathers. Burhinus have 11 primary feathers, of which the outer most is very small and covered by the primary ...