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Re-Evaluation Of Some Montana Bird Records, P. D. Skaar, Roger B. Clapp, Richard C. Banks Jan 1973

Back Matter (Pdf), The Condor Jan 1973

Further Notes On The Western Grebe In Mexico, Robert W. Dickerman Jan 1973

Dispersion Of Female Blue Grouse During The Brood Season, Fred C. Zwickel Jan 1973

Publications Received, The Condor Jan 1973

Agonistic And Sexual Behavior Of The African Ostrich (Struthio Camelus), Niels Bolwig Jan 1973

The Relationship Of The Higher Taxa Of Birds: Problems In Phylogenetic Reasoning, Joel Cracraft Oct 1972

The Number Of Ross' Geese In Central North America, J. Prevett, C. D. Macinnes Oct 1972

News And Notes, The Condor Oct 1972

The Bulletin Board, The Condor Oct 1972

Index To Volume 74, The Condor Oct 1972

Territory Size, Clutch Size, And Food In Populations Of Wrens, Martin L. Cody, Christopher B. Cody Oct 1972

A New Partial Mandible Of Ichthyornis, Philip D. Gingerich Oct 1972

Mortality Of Purple Martins From Adverse Weather, Paul A. Stewart Oct 1972

Spasmodic Tic. A Behavioral Trait Of The Cracidae, G. Michael Flieg, Robert E. Dooley Oct 1972

Bird Nests In An Aspen Tree Robbed By Black Bear, Lawrence R. Deweese, Richard E. Pillmore Oct 1972

Snake Predation On Cactus Wren Nestlings, George T. Austin, Eric Yensen, Carl S. Tomoff Oct 1972

Observations On Food Habits Of Incubating Female Blue Grouse, Fred C. Zwickel, James F. Bendell Oct 1972

Micrastur Gilvicollis, A Valid Species Sympatric With M. Ruficollis In Amazonia, Paul Schwartz Oct 1972

Summer Distribution Of Pelagic Birds In Bristol Bay, Alaska, James C. Bartonek, Daniel D. Gibson Oct 1972

Nesting Success Of Common Egrets And Great Blue Herons In The San Francisco Bay Region, Helen M. Pratt Oct 1972

Growth And Development Of Young California Gulls (Larus Californicus), Jean E. Smith, Kenneth L. Diem Oct 1972

Areal Versus Lineal Territories In The Wren, Troglodytes Troglodytes, Martin L. Cody, Christopher B. Cody Oct 1972

Roosting Aggregations Of Bushtits In Response To Cold Temperatures, Susan W. Smith Oct 1972

Interspecific Aggression Of Resident Broad-Tailed And Migrant Rufous Hummingbirds, Christopher Dunford, Eileen Dunford Oct 1972

King Rail And Flammulated Owl At El Paso. Texas, John P. Hubbard Oct 1972

Cave Swallows In Big Bend National Park, Texas, Roland H. Wauer, Donald G. Davis Oct 1972

Piracy Of Nesting Materials From And By The Broad-Tailed Hummingbird, William A. Calder Oct 1972

Nuts, Bones, And A Nesting Of Red Crossbills In The Panamint Mountains, California, Robert B. Payne Oct 1972

New Records Of Birds From British Honduras (Belize), Including A Skua, Jon C. Barlow, J. A. Dick, Dora Weyer, W. Ford Young Oct 1972