Books in Animals-Wild-Birds (sorted by popularity)
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Bird Neighbors Neltje Blanchan 54 downloads
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The Postnatal Development of Two Broods of Great Horned Owls (Bubo virginianus) Donald Frederick Hoffmeister and Henry W. Setzer 49 downloads
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The Foot-path Way Bradford Torrey 45 downloads
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Birds in the Bush Bradford Torrey 43 downloads
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Notes on Philippine Birds Collected by Governor W. Cameron Forbes Outram Bangs 36 downloads
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Descriptions of Three New Birds from the Belgian Congo James Paul Chapin 35 downloads
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Food of the Crow, Corvus brachyrhynchos Brehm, in South-central Kansas Dwight R. Platt 27 downloads