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Pair-formation in Birds
David Lack

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The Midwinter Distribution of the Crow in California
John T. Emlen

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A Behavior Study of the White-tailed Kite
Frank Graham Watson

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Notes and News
Alden H. Miller

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Minutes of Cooper Club Meetings
Frances Carter and Sherwin F. Wood

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Index to Volume Xlii
The Condor

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Back Matter (PDF)
The Condor

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Front Matter (PDF)
The Condor

Third Record of the King Eider in California
James Moffitt

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Western Mockingbird and Desert Sparrow in Southeastern Oregon
A. S. Hyde

American Redstart at Redlands, California
Milton Moore and Donald Moore

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Sound Produced in the Nuptial Dive of Young Anna Hummingbirds
Loye Miller

A Saw-whet Owl Nest on Mount Pinos, California
Edward M. Hall

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Black and White Warbler in Northern Lower California, Mexico
Lawrence M. Huey

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Block-crowned Night Heron Nesting in San Bernardino Mountains
Wilson C. Hanna

The Spotted Owl Nesting in the Sequoia Belt
Harold C. Bryant

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The Lark Bunting in Southern Nevada
Stanley G. Jewett

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Comment on a Californian Record of the Western Tree Sparrow
Sidney Camras

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A Bird's Nest Made of Paper
Emerson A. Stoner

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An Apparently Authentic Record of the Spectacled Eider for California
James Moffitt

Records of the Tule Wren and Black-footed Albatross in Oregon
H. H. Hann