Difference between revisions of "Feather"
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Revision as of 13:55, 3 September 2020
Description
The stiff, lightweight, often colorful, Keratin structure that is the principal covering of birds. Feathers are composed of a central, hollow Quill that attaches to the bird's body. For flight feathers, each side of the quill (vane) has a series of slender, closely spaced barbs that interlock to form a continuous, flat surface. Plume feathers (e.g., Ostrich, Peacock) are less cohesive with unconnected barbs. Down feathers, obtained from young birds or the undergrowth of adult birds, are soft and lack barbs. Feathers naturally occur in a wide variety of colors pigmented with Melanin (black to yellow) and carotenoids (red and yellow). Most birds periodically drop feathers as part of a molting process. Feathers and quills have been used since ancient times for decoration, clothing, masks, and as writing utensils. The fashionable use of feathers in the 19th century directly resulted in several bird preservation laws (e.g. Eagle).
Synonyms and Related Terms
featherwork; feathers (pl.); fjer (Dan.); Feder (Deut.); pluma (Esp.); plume (Fr.); penna (It.); veer (Ned.); fjær (Nor.); pióra ptaka (Pol.); pena (Port.)
Risks
Many natural and synthetic colors in bird feathers are not lightfast.
Physical and Chemical Properties
Insoluble in organic solvents. Burns giving odor of burnt hair. Becomes limp in boiling water.
Additional Images
Parakeet feathers
Parakeet feathers
Parakeet feathers
Down
Resources and Citations
- Bishop Museum: Care of feathers
- O. Untracht, Jewelry Concepts and Technology, Doubleday & Co., Inc., New York, 1985.
- The Dictionary of Art, Grove's Dictionaries Inc., New York, 1996 Comment: "Feather" Allyson Rae
- Rosalie Rosso King, Textile Identification, Conservation, and Preservation, Noyes Publications, Park Ridge, NJ, 1985
- Encyclopedia Britannica, http://www.britannica.com Comment: "feather." Accessed. 9 Nov. 2004 .
- Oppi Untracht, Jewelry Concepts and Technology, Doubleday & Co., Inc., New York City, 1985