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A Persistent Mutation in the California Quail
John B. Price and C. H. Danforth

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A Review of Centers of Differentiation for Birds in the Western Great Basin Region
Alden H. Miller

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Aberrant Mating Activities of the California Woodpecker
Lowell Adams

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Notes on the Food of the California Clapper Rail
James Moffitt

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Roosting Habits of the Chestnut-backed Chickadee and the Bewick Wren
Laidlaw Williams

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Additional Data Concerning the Subspecific Status of the Cormorants of Great Salt Lake
William H. Behle

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Notes and News
Alden H. Miller

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Minutes of Cooper Club Meetings
Frances Carter, Irwin D. Nokes, and Frank A. Pitelka

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Index to Volume 43
The Condor

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Back Matter (PDF)
The Condor

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Front Matter (PDF)
The Condor

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Nesting of the Flammulated Screech Owl in California
Wilson C. Hanna

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Black-billed Cuckoo in Idaho
M. Dale Arvey

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Further Notes on Some Southwestern Yellowthroats
A. J. Rossem

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Western Grasshopper Sparrow at Grand Canyon, Arizona
John R. Arnold

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Wilson Snipe Perches on Telephone Pole
Clarence Cottam and Cecil S. Williams

A Nighthawk Migration on an Arizona Desert
H. C. Bryant

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European Starling in Nevada
Clarence Cottam

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Two New Records for Nevada
J. R. Alcorn

Nesting of Buffle-head Duck at Lake Almanor, California
Howard P. Davis

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Summer Records from the Bodega Bay Region, California
Frank A. Pitelka

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An Avifauna from Sub-recent Deposits at Lower Klamath Lake, California
Ida S. May