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Transport of Water by Adult Sandgrouse to Their Young
Tom J. Cade and Gordon L. Maclean

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Officers and Members of the Cooper Ornithological Club
The Condor

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Membership Directory
The Condor

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Intraclutch Variation in Egg Size of American Coots
Todd W. Arnold

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The Distribution and Breeding Status of the Hudsonian Godwit in Alaska
Francis S. Williamson and Mary A. Smith

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A Record of the Mountain Plover in Washington State
Harold J. Leraas

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Officers and Members of the Cooper Ornithological Club
The Condor

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Temperature Regulation and Respiration in the Ostrich
Knut Schmidt-Nielsen, Robert C. Lasiewski, William L. Bretz, John Kanwisher, and Jerome E. Cohn

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Officers and Members of the Cooper Ornithological Society
The Condor

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A Study of the Structure of the Humerus in the Corvidae
James F. Ashley