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Behavior and Methods of Communication of Pileated Woodpeckers
Lawrence Kilham

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Relation of Oxygen Consumption to Temperature in the Evening Grosbeak
William R. Dawson and Harrison B. Tordoff

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Ecological and Distributional Relations of Desert Scrub Birds of Western Texas
Keith L. Dixon

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Territoriality, Movements, and Population Density of the Dipper in Montana
Gerald J. Bakus

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Body Temperature and the Ontogeny of Thermoregulation in the Slender-billed Shearwater
Donald S. Farner and D. L. Serventy

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Notes and News
The Condor

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Index to Volume 61
Jane R. Durham

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Back Matter (PDF)
The Condor

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Front Matter (PDF)
The Condor

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Cliff Swallows of Mixed Plumage Types in a Colony in Southeastern Arizona
Horace H. Jeter

The Barrow Goldeneye in Texas
F. W. Miller

Gila Woodpecker in San Diego County, California
Leon L. Gardner

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Black-throated Sparrows in Northwestern Oregon
H. M. Bois

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A Third Head-scratching Method of Emberizine Sparrows
Jack P. Hailman

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Some Additional Records of the Skua from California
Arnold Small

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Another Record of the Orchard Oriole in California
Myrtle E. Johnson

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Changes in Winter Bird Species Composition of Two Habitats in Sea Miguel County, New Mexico, After Three-fourths of a Century
W. H. Richard

Occurrences of the Mockingbird at the Northwestern Margin of Its Range
Ken Legg