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Summer Bird Records from Sonora, Mexico
Tony Gallucci

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Tenth in the Fuertes Print Series
North American Birds

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Bird Kills at Lighted Man-made Structures: Not on Nights Close to a Full Moon
F. J. Verheijen

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Diseases of Birds - How and Why Some Birds Die
John K. Terres

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The Kicker Song - New Synthesis of an Old Mystery
Tim Manolis

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A Note on Assessing the Status of Vagrant Warblers on the California Coast
W. David Shuford

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The Impact of Starlings on Purple Martin Populations in Unmanaged Colonies
Charles R. Brown

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The Changing Seasons
Wayne R. Petersen and Richard A. Forster

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The Winter Season December 1, 1980 - February 28, 1981
North American Birds

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Winter Roost Site Fidelity by Long-eared Owls in Central Pennsylvania
Dwight G. Smith

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A Presumed Bufflehead X Hooded Merganser Hybrid in Illinois
Walter J. Marcisz

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First Record of Dunlin {calidris Alpina} for Peru and Continental South America
Wayne R. Petersen, Paul K. Donahue, and Natasha Atkins

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The Last Word
Robert Arbib

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Communications
North American Birds

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Announcements
North American Birds

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Front Matter (PDF)
North American Birds