Feather Types

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“Types of feathers. D., Down. 2, Developing feather in sheath (sh.). 3, Covert of heron showing aftershaft (A.S.). 4, Secondary feather of pigeon--C., calamus; A.S., aftershaft; R., rachis; V., vane. 5, Portion of quill showing inferior umbilicus (I.u.), superior umbilicus (S.u.), pith (P.); F., filoplume.” -Thomson, 1916

Keywords

bird feathers, label feather parts, feather types, down feather, developing feather, heron feather

Galleries

Bird Anatomy

Source

J. Arthur Thomson, M.A., LL.D. Outlines of Zoology (New York, NY: D. Appleton & Company, 1916)

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