Hoopoe

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“Diagram showing the tracts where the principal growth of feathers occurs (Upupa epops). The dotted areas are the pteryla.” -Galloway, 1915

Keywords

Upupa epops, feather tracts, bird feather growth, pteryla, hoopoe feathers, hoopoe bird

Galleries

Birds: H-I

Source

Thomas Walton Galloway Textbook of Zoology (Philadelphia, PA: P. Blakiston's Son & Co., 1915)

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