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jewelry
egret

aigrette, tuft of long, white heron (usually egret) plumes used as a decorative headdress, or any other ornament resembling such a headdress. Such plumes were highly prized as ornaments in Middle Eastern ceremonial dress. Jeweled aigrettes, at first made in the form of a tuft of plumes, became an adornment for turbans in Turkey, particularly during the Ottoman period (1281–1924).

Jeweled aigrettes were listed in royal collections at the end of the 16th and the beginning of the 17th centuries. During the 18th century, they were popular with fashionable European women, who wore them pinned in their hair to hold masses of curls at the back of the head.

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feather, the component structure of the outer covering and flight surfaces of all modern birds. Unique to birds, feathers apparently evolved from the scales of birds’ reptilian ancestors. The many different types of feathers are variously specialized for insulation, flight, formation of body contours, display, and sensory reception.

Unlike the hair of most mammals, feathers do not cover the entire skin surface of birds but are arranged in symmetrical tracts (pterylae) with areas of bare skin (apteria) between. The latter may contain the small soft feathers called down.

The typical feather consists of a central shaft (rachis), with serial paired branches (barbs) forming a flattened, usually curved surface—the vane. The barbs possess further branches —the barbules—and the barbules of adjacent barbs are attached to one another by hooks, stiffening the vane. In many birds, some or all of the feathers lack the barbules or the hooks, and the plumage has a loose, hairlike appearance.

pigeon. pigeon and dove. member of the order Columbiformes, family Columbidae
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Feathers have been used for ornamentation and as regalia in many societies, both nonliterate and highly developed. Hats and other accoutrements have featured or been constructed entirely of feathers and sometimes entire wings or pairs of wings down to modern times. Numerous governments have protected colourful species of birds to prevent their extinction at the hands of feather hunters. Feathers from domestic fowl slaughtered for meat are a standard by-product of poultry farmers and are used for decoration, padding, and insulation. See also plumage.

The Editors of Encyclopaedia Britannica This article was most recently revised and updated by John P. Rafferty.
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