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A Taxonomic Revision Of The New World Jays, John William Hardy Oct 1969

Postnuptial And Postjuvenal Molt In White-Crowned Sparrows In Central Alaska, Martin L. Morton, James R. King, Donald S. Farner Oct 1969

Foliage Use By Birds Of The Oak-Juniper Woodland And Ponderosa Pine Forest In Southeastern Arizona, Russell P. Balda Oct 1969

News And Notes, The Condor Oct 1969

Index To Volume 71, The Condor Oct 1969

Notes On Costa Rican Birds, Gordon H. Orians, Denni R. Paulson Oct 1969

On The Nature Of Cotingin"", Alan H. Brush Oct 1969

Some Additional Records Of Birds In California, Donald D. Mclean Oct 1969

Extension Of Zone Of Sympatry Of Quiscalus Mexicanus And Q. Major, Robert K. Selander, Suh Y. Yang, Gilbert Cantu Oct 1969

The Numerical Response Of Woodpeckers To Insect Prey In A Subalpine Forest In Colorado, James R. Koplin Oct 1969

Observations Of The Nuthatch-Like White-Throated Treerunner (Pygarrhichas Albogularis) In Argentina, Lester L. Short Jr. Oct 1969

Bird Records From Nevada, Richard C. Banks, Donald E. Lewis Oct 1969

Temperature Regulation And Respiration In The Ostrich, Knut Schmidt-Nielsen, Robert C. Lasiewski, William L. Bretz, John Kanwisher, Jerome E. Cohn Oct 1969

Genetic And Population Studies Of Transferrin Polymorphism In Ring-Necked Pheasants, Paul A. Vohs Jr., Larry R. Carr Oct 1969

Occurrence And Nesting Of Wilson's Phalaropes At Vancouver, British Columbia, R. Wayne Campbell Oct 1969

The Taxonomic Position Of The Hornbill Rhyticeros Plicatus Subruficollis (Blyth) As Indicated By The Mallophaga, Robert E. Elbel Oct 1969

Relationships Among Three Species Of Jays Wintering In Southeastern Arizona, Peter W. Westcott Oct 1969

The Bulletin Board, The Condor Oct 1969

Publications Received, The Condor Oct 1969

The Song Of The Chingolo, Zonotrichia Capensis, In Argentina: Description And Evaluation Of A System Of Dialects, Fernando Nottebohm Jul 1969

News And Notes, The Condor Jul 1969

Back Matter (Pdf), The Condor Jul 1969

Convergent Characteristics In Sympatric Species: A Possible Relation To Interspecific Competition And Aggression, Martin L. Cody Jul 1969

Respiratory Metabolism Of The Red-Winged Blackbird In Relation To Ambient Temperature, R. W. Lewies, M. I. Dyer Jul 1969

Publications Received, The Condor Jul 1969

Summary Of Cash Receipts And Disbursements And Changes In Fund Balances, The Condor Jul 1969

The Bulletin Board, The Condor Jul 1969

Recent Bird Records From The Virgin River Valley Of Utah, Arizona, And Nevada, Roland H. Wauer Jul 1969

Calculation And Miscalculation Of The Equations Relating Avian Standard Metabolism To Body Weight, Robert C. Lasiewski, William R. Dawson Jul 1969

Front Matter (Pdf), The Condor Jul 1969