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  1. Etymology

    Feather derives from the Old English "feþer", which is of Germanic origin; related to Dutch "veer" and German "Feder", … See more

    Feather - Wikipedia

    • Feathers are epidermal growths that form a distinctive outer covering, or plumage, on both avian (bird) and some non-avian dinosaurs and other archosaurs. They are the most complex integumentary structures found in vertebrates and an example of a complex evolutionary novelty. They are among the characteristics that distinguish the extant bird… See more

    Structures and characteristics

    Feathers are among the most complex integumentary appendages found in vertebrates and are formed in tiny follicles in the epidermis, or outer skin layer, that produce keratin proteins. The β-keratins in feathers, … See more

    Parasites

    The feather surface is the home for some ectoparasites, notably feather lice (Phthiraptera) and feather mites. Feather lice typically live on a single host and can move only from parents to chicks, between mating bird… See more

    Human usage

    Bird feathers have long been used for fletching arrows. Colorful feathers such as those belonging to pheasants have been used to decorate fishing lures.
    Feathers are also valuable in aiding the identificatio… See more

    Evolution

    The functional view on the evolution of feathers has traditionally focused on insulation, flight and display. Discoveries of non-flying Late Cretaceous feathered dinosaurs in China, however, suggest that flight could … See more

    Further reading

    • Hanson, Thor (2011). Feathers: The Evolution of a Natural Miracle. New York: Basic Books. ISBN 978-0-465-02013-3.
    • Lucas, Alfred M.; Stettenheim, Peter R. (1972). "Structure of feathers". Avian Anatomy In… See more

     
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