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Some Biological Principles Applicable to Song-behavior
Charles Hartshorne

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The Birds of Anticosti Island, Quebec
Frank W. Braund and E. Perry Mccullagh

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Niche Overlap in Feeding Assemblages of New Guinea Birds
John Terborgh and Jared M. Diamond

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The Taxonomic Status of the White-Tailed Kite
William S. Clark and Richard C. Banks

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Foraging Patterns of Forest Birds: Male-female Differences
Richard T. Holmes

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Membership Roll
Wilson Bulletin

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Membership Roll
Wilson Bulletin

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A New Species of Hawk-owl Ninox from North Sulawesi, Indonesia
Pamela C. Rasmussen

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Officers, Committees, and Members of the Wilson Ornithological Club Membership Roll
Wilson Bulletin

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Taxonomy of the Stripe-Headed Tanager, Genus Spindalis (Aves:Thraupidae) of the West Indies
O. H. Garrido, K. C. Parkes, G. B. Reynard, A. Kirkconnell, and R. Sutton