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Population Structure In Salt Marsh Song Sparrows. Part Ii. Density, Age Structure, And Maintenance, Richard F. Johnston Jul 1956

Territoriality And Survival In The Plain Titmouse, Keith L. Dixon May 1956

Life History Of The Ruddy Ground Dove, Alexander F. Skutch May 1956

The Effect Of Diet On Photoperiod-Induced Lipid Deposition In The White-Throated Sparrow, Eugene P. Odum, James C. Major May 1956

The Bird Of The Revilla Gigedo Islands, Mexico, Bayard H. Brattstrom, Thomas R. Howell Mar 1956

Summer Birds Of The Rincon Mountains, Saguaro National Monument, Arizona, Joe T. Marshall Mar 1956

Back Matter (Pdf), The Condor Mar 1956

History Of The Nesting Of An Anna Hummingbird, Junea W. Kelly Nov 1955

Nocturnal Decline In The Temperature Of Birds In Cold Weather, Laurence Irving Nov 1955

A Systematic Revision And Natural History Of The Shining Sunbird Of Africa, John G. Williams Sep 1955

Annual Cycle In A Population Of California Quail, Richard E. Genelly Sep 1955

Back Matter (Pdf), The Condor Jul 1955

Two Woodpecker Populations In Relation To Environmental Change, Lee E. Yeager May 1955

Meteorological And Social Factors In Autumnal Migration Of Ducks, Mildred Miskimen May 1955

Publications Reviewed, The Condor Mar 1955

Back Matter (Pdf), The Condor Mar 1955

Cooper Society Meetings, The Condor Mar 1955

Determinate Laying In Barn Swallows And Black-Billed Magpies, David E. Davis Mar 1955

Courtship Activities Of The Anatidae In Eastern Washington, Paul A. Johnsgard Jan 1955

Cooper Society Meetings, The Condor Nov 1954

The Annual Gonad And Thyroid Cycles Of The English Sparrow In Southern California, John Davis, Betty Shuck Davis Nov 1954

Nesting And Feeding Of The Black Oyster-Catcher Near Monterey, California, Ken Legg Nov 1954

Social Organization And Behavior In A Flock Of Captive, Nonbreeding Red Crossbills, Harrison B. Tordoff Nov 1954

Further Notes On Red-Throated Loons Nesting On Vancouver Island, British Columbia, Theed Pearse Sep 1954

Report On Two Native Passerines Of Nihoa, Hawaii, Frank Richardson Jul 1954

Bird Records For Nevada, Clarence Cottam Jul 1954

Westward Extension Of The Ranges Of The Inca Dove And Bronzed Cowbird, Gale Monson Jul 1954

Problems Of Incubation Periods In North American Birds, Margaret Morse Nice Jul 1954

The Generic Name Of The Rice Grackle, Kenneth C. Parkes Jul 1954

Observations On The Sandhill Crane In Northeastern California, A. E. Naylor, A. W. Miller, M. E. Foster Jul 1954