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Specific Limits and Distribution of Ash-throated and Nutting Flycatchers
Wesley E. Lanyon

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Notes on the Behavior of the Scaly Dover
C. J. O. Harrison

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Breeding Biology of the Rhinoceros Auklet on Protection Island, Washington
Frank Richardson

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Timing of Annual Molt in the Glaucous Gulls of Northern Alaska
David W. Johnston

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A Study of Nesting Ant-tanagers in British Honduras
Edwin Willis

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Notes and News
The Condor

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Index to Volume 63
Jane R. Durham

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Back Matter (PDF)
The Condor

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Front Matter (PDF)
The Condor

Supplemental Data on the Sex Ratio in Nestling Boat-tailed Grackles
Robert K. Selander

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Golden Winged Warbler in Southern California
Charles H. Richardson and Alice I. Richardson

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An Early Reference to Torpidity in a Tropical Swift
Thomas R. Howell

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Accipiter Pectoralis, a Synonym of Accipiter Poliogaster
William H. Partridge

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An Occurrence of the Laysan Albatross on the Northwestern Coast of Oregon
Leon A. Fredrich

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Flight Speeds of Some Small Birds
Oliver P. Pearson

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Tricolored Blackbirds Nesting in Jackson County, Oregon
Carl Richardson

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Association of Trogons and Monkeys on Barro Colorado
Ken Stott Jr. and C. Jackson Selsor

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Bird Records from San Luis Obispo County, California
Aryan I. Roest

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Winter Record of a Tree Sparrow in Central Alaska
Judith S. Weeden and Robert B. Weeden