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Variation In The Resident Sharp-Shinned Hawks Of Mexico, Robert W. Storer Sep 1952

The Avifauna Of The Barstow Miocene Of California, Loye Miller Sep 1952

Natural History And Differentiation In The Yellow-Bellied Sapsucker, Thomas R. Howell Sep 1952

Food Habits Of The California Gull In Utah, Clifton M. Greenkalgh Sep 1952

Cooper Club Meetings, The Condor Jul 1952

The Validity Of The Fossil Crane Grus Nannodes, Harvey I. Fisher Jul 1952

Status Of The California Gull Colony At Mono Lake, California, R. T. Young Jul 1952

Back Matter (Pdf), The Condor Jul 1952

The Incubation Patch Of Passerine Birds, Robert E. Bailey May 1952

Reactions Of Poor-Wills To Light And Temperature, Joseph Brauner May 1952

Auditory Recognition Of Predators, Loye Miller Mar 1952

The Jaws Of The Cretaceous Toothed Birds, Ichthyornis And Hesperornis, Joseph T. Gregory Mar 1952

Cooper Club Meetings, The Condor Mar 1952

Notes On The Birds Of Sledge Island, Bering Sea, Alaska, Tom Cade Jan 1952

Body Temperatures In Nestling Western Gulls, George A. Dawson Jan 1952

A Field Study Of Some Grouping And Dominance Relations In Ring-Necked Pheasants, Nicholas K. Collias, Richard D. Taber Nov 1951

Persistence Of A Rare Color Aberration In The Heermann Gull, Carl L. Hubbs, George A. Bartholomew Sep 1951

On The Supposed Identity Of Emberiza Hyperborea Pallas With Pipilo Fuscus Swainson, Erwin Stresemann Sep 1951

The Status Of Rough-Legged Hawks In Idaho, Richard D. Porter Sep 1951

Caprimulgus Ridgwayi In Michoacan, Mexico, George Miksch Sutton Sep 1951

Short-Eared Owl Eaten By Horned Owl, Merlin L. Killpack Sep 1951

Back Matter (Pdf), The Condor Sep 1951

A Study Of Nesting Wood Ducks In Iowa, Frederic Leopold Sep 1951

Relationships Between Birds And Deer, Thane Riney Jul 1951

Geographic Variation Of The Screech Owls Of The Deserts Of Western North America, Alden H. Miller, Loye Miler Jul 1951

Nest Of Pygmy Nuthatches Attended By Four Parents, Don Bletiz May 1951

Red-Tailed Hawk Captures Cottontail Rabbit, Hudson G. Reynolds May 1951

Cooper Club Meetings, The Condor Mar 1951

Publications Reviewed, The Condor Mar 1951

A Cooling Mechanism Of The Texas Nighthawk, Raymond B. Cowles, William R. Dawson Jan 1951