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The Metabolism of Hummingbirds
Oliver P. Pearson

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Increasing Abundance of Albatrosses Off the Coast of California
J. L. Mchugh

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A Nest of the Mexican Ptilogonys
Robert J. Newman

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Waterfowl Populations of a Swamp in Western Oregon
Fred G. Evenden Jr., David B. Marshall, and Thomas H. Mcallister Jr.

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Notes and News
The Condor

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Cooper Club Meetings
The Condor

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Officers and Members of the Cooper Ornithological Club
The Condor

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Back Matter (PDF)
The Condor

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Front Matter (PDF)
The Condor

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Fulmar at Ross, California
Robert T. Orr

Sharp-tailed Sandpiper in Alexander Archipelago, Southeastern Alaska
Ralph B. Williams

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Rock Dove Alighting on Stream
Harvey Brackbill

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Occurrence of the Road-runner in Arkansas
W. I. Baerg

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Comments on Specimens in the Hachisuka Collection from the Philippine Islands
S. Dillon Ripley

Evening Grosbeak Visits the San Josquin Valley, California
John R. Arnold

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The English Sparrow in Chiapas
Miguel Alvarez Toro

Nesting of the Black Phoebe in the Imperial Valley, California
Eugene E. Cardiff