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Observations On The Behavior Of A Captive Poor-Will, Joseph Brauner Mar 1953

A Possible Desert Flight Line Of The American Redstart, Warren M. Pulich, Allan R. Phillips Mar 1953

Notes On The Life History Of Columbigallina Talpacoti In Surinam, Fr. Haverschmidt Jan 1953

Cyclic Changes In Liver And Spleen Weights In Migratory White-Crowned Sparrows, Barbara Blanchard Oakeson Jan 1953

Use Of Caves By Hummingbirds And Other Species At High Altitudes In Peru, Oliver P. Pearson Jan 1953

Individual Variation In The White-Necked Raven, Julian J. Baumel Jan 1953

Notes And News, The Condor Jan 1953

Cooper Society Meetings, The Condor Jan 1953

Sub-Nival Feeding Of The Redpoll In Interior Alaska: A Possible Adaptation To The Northern Winter, Tom I. Cade Jan 1953

Bird Notes From Western Montana, W. L. Hand Jan 1953

Back Matter (Pdf), The Condor Jan 1953

Notes On The Birds Of Daikokujima, Hokkaido, Japan, Chester M. Fennell Jan 1953

Long-Eared Owl At Its Nest, A Photograph, Ed Harrison, Frances Roberts Jan 1953

Some Experiences In Imprinting Ducklings, Margaret Morse Nice Jan 1953

Front Matter (Pdf), The Condor Jan 1953

Taxonomic Status Of The Bank Swallow Of North America, Samuel A. Arny Nov 1952

Supplementary Bird Records For Nevada, Ned. K. Johnson, Frank Richardson Nov 1952

Island Record Of Sanderling, Paul E. Steel Nov 1952

The Incubation Patch Of The Clark Nutcracker, L. R. Mewaldt Nov 1952

Porcupine Quill Fatal To Jay, Homer V. Griffin Nov 1952

The Influence Of Food Abundance On The Over-Wintering Of Pine Grosbeaks At College, Alaska, Tom J. Cade Nov 1952

Altitudinal Hybridization In New Guinea Honeyeaters, Ernst Mayr, E. Thomas Gilliard Nov 1952

Winter Bird Census At Xilitla, Sam Luis Potosi, Mexico, L. Irby Davis Nov 1952

Notes And News, The Condor Nov 1952

Cooper Club Meetings, The Condor Nov 1952

Index To Volume 54, The Condor Nov 1952

Black-Crowned Night Heron Breeds In Heart Of Mexico City, Guillermo Jose Tapia Nov 1952

Winter Status Of Swallows In California, Fred G. Evenden Jr. Nov 1952

Audible Flight Of Great Horned Owls, Wendell Taber Nov 1952

Additional Comments On Philippine Birds And A New Record From The Archipelago, S. Dillon Ripley Nov 1952