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An Experimental Study of Territorial Behavior in Breeding Red-winged Blackbirds
Robert W. Nero and John T. Emlen

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A Comparison of the Avifaunas of Santa Cruz and Santa Rosa Islands, California
Alden H. Miller

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Subspecific Status of the Green Jays of Northeastern Mexico and Southern Texas
George Miksch Sutton

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Birds of the Southern Willamette Valley, Oregon
Gordon W. Gullion

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Notes and News
The Condor

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Cooper Club Meetings
The Condor

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Back Matter (PDF)
The Condor

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Front Matter (PDF)
The Condor

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Nest of Pygmy Nuthatches Attended by Four Parents
Don Bletiz

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Red-tailed Hawk Captures Cottontail Rabbit
Hudson G. Reynolds

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Notes on the Nomenclature of the Brown Jay
John Davis

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The Original Description of the Fossil Bird Cryptornis Antiquus
Alexander Wetmore

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Notes on the Birds of Brazos County, Texas
George A. Petrides and W. B. Davis

An Unusual Occurrence of the Saw-whet Owl
Eugene E. Cardiff and Bruce E. Cardiff

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An Unusual Concentration of Elegant Terns in Southern California
Arnold Small

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The Genus Cuculus in North America, a Reconsideration
H. G. Deignan

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Observations on Some New Mexican Birds
Karl W. Haller

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Recent Bird Records from Mount Rainier National Park
Russell K. Grater

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New Bird Records for Western Nevada
David B. Marshall

California Condors in Madern County, California
Nathan W. Cohen

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The Fulvous Tree-duck in Northeastern California
Gordon W. Gullion