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Great Blue Heron Killed By A Carp, Ronald A. Ryder Jan 1950

Notes On Flights Of The Nighthawk, Charles G. Hansen Jan 1950

Data On Nesting Red-Winged Blackbirds In Western Oregon, Fred G. Evenden Jan 1950

Cooper Club Meetings, The Condor Nov 1949

Notes And News, The Condor Nov 1949

The Correct Name For The Mexican Crested Flycatcher, H. G. Deignan Nov 1949

Ground Dove And Black-Chinned Sparrow In Southern Nevada, Ross Hardy Nov 1949

Fur Seals And Murre Chicks, Karl W. Kenyon Nov 1949

Nesting Of The Mexican Jay In The Santa Rita Mountains, Arizona, Alfred O. Gross Nov 1949

Validity Of The Shorebird Genus Pseudoscolopax, George Miksch Sutton Nov 1949

The Seventy-Five Per Cent Rule For Subspecies, Dean Amadon Nov 1949

Recent Notes From The Lower Colorado River Valley Of Arizona And California, Gale Monson Nov 1949

A Combined Early Record Of Duck Shooting On The Suisun Marshes Of California, Emerson A. Stoner Nov 1949

Range Extension Of Ash-Throated Flycatcher, Ben H. Pruitt Nov 1949

Black-Chinned Hummingbird In Tarrant County, Texas, Philip F. Allan Nov 1949

A Guerrero Whip-Poor-Will Impaled By An Inset, Miguel Alvarez Toro Nov 1949

Wood Pewee Pursues Bat, Edmund C. Jaeger Nov 1949

The Incidence Of Hybrids In Migrant Blue And Snow Geese In Kansas, Charles G. Sibley Nov 1949

Back Matter (Pdf), The Condor Nov 1949

Front Matter (Pdf), The Condor Nov 1949

Publications Reviewed, Carl B. Koford Nov 1949

Report On The Colonial Nesting Birds Of Great Salt Lake, 1947-49, William H. Behle Nov 1949

Index To Volume 51, Ethel E. Richardson Nov 1949

A Record Of The Alberta Fox Sparrow In Manitoba, L. L. Snyder Nov 1949

The Endemic Avifauna Of Saipan, Tinian, Guam And Palau, Joe T. Marshall Sep 1949

The Hawaiian Dark-Rumped Petrel Reappears On Hawaii, Paul H. Baldwin, Douglass H. Hubbard Sep 1949

The Concentration Of Band-Tailed Pigeons In Central California In 1949, Ian I. Mcmillan Sep 1949

Back Matter (Pdf), The Condor Sep 1949

Front Matter (Pdf), The Condor Sep 1949

A Study Of Sex Rations Of Mallards In The State Of Washington, Charles F. Yocom Sep 1949