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First Record Of The Gyrfalcon In Idaho, J. David Ligon Oct 1968

Specimen Of The Magnificent Frigatebird From New Mexico, Dale A. Zimmerman Oct 1968

Morphological Homogeneity Of A Population Of Alaska Willow Ptarmigan, George C. West, Susan Savage, Laurence Irving, Leonard J. Peyton Oct 1968

Raptors And Other North American Migrants In Mexico, Robert F. Andrle Oct 1968

The Survival Rate Of Juvenile Cactus Wrens, Robert E. Ricklefs Oct 1968

Annual Cycle Of Adrenal And Thyroid Glands In Gambel Quail Of Southern New Mexico, Ralph J. Raitt Oct 1968

Anophthalmia In The American Robin, Andrew J. Berger, Deborah V. Howard Oct 1968

Differential Habitat Utilization By Wintering Roughlegged And Red-Tailed Hawks, Gary D. Schnell Oct 1968

Records Of Snowy Owls In California, Stanley W. Harris, Charles F. Yocom Oct 1968

News And Notes, The Condor Oct 1968

Notes On Two Neotropical Nightjars, Caprimulgus Anthonyi And C. Parvulus, Paul Schwartz Jul 1968

Notes On The Royal Tern In Uruguay, Rodolfo Escalante Jul 1968

Total Brood Mortality In Late-Nesting Cliff Swallows, Woodbridge A. Foster Jul 1968

Anna's Hummingbirds Trained To Select Different Colors In Feeding, Nicholas E. Collias, Elsie C. Collias Jul 1968

Capillariasis In The Gyrfalcon, D. O. Trainer, S. D. Folz, W. M. Samuel Jul 1968

Front Matter (Pdf), The Condor Jul 1968

Densities And Species Composition Of Breeding Birds Of A Creosotebush Community In Southern New Mexico, Ralph J. Raitt, Richard L. Maze Jul 1968

An Analysis Of Twitch And Tonus Fibers In The Hatching Muscle, Walter J. Rock, Robert S. Hikida Jul 1968

News And Notes, The Condor Jul 1968

Publications Received, The Condor Jul 1968

Cooper Ornithological Society Statement Of Assets And Fund Balances Resulting From Cash Transactions, The Condor Jul 1968

Pictorial Checklist Of Colorado Birds, Alfred M. Bailey, Robert J. Niedrach Jul 1968

Rediscovery Of Maui Nukupuu, Hemignathus Lucidus Affinis, And Sighting Of Maui Parrotbill, Pseudonestor Xanthophrys, Kipahulu Valley, Maui, Hawaii, Winston E. Banko Jul 1968

Interspecific Territoriality Among Hummingbird Species, Martin L. Cody Jul 1968

Nests Of The Red Warbler And Crescent-Chested Warbler In Oaxaca, Mexico, Harold F. Mayfield Jul 1968

First Record Of The Turkey Meleagris Gallopavo From The Pleistocene Of Mexico, Joel Cracraft Jul 1968

Nest Sanitation: A Possible Factor In The Water Economy Of The Roadrunner, William A. Calder Jul 1968

Recent Breeding Of Common Raven In West-Central Texas, L. R. Wolfe Jul 1968

Yellow-Billed Magpie Drowns Its Prey, Carol Finley Blackburn Jul 1968

A Second Large Wintering Population Of White-Crowned Sparrows, Zonotrichia Leucophrys Gambelii, In Washington, R. Alan Lewis, Martin L. Morton, Donald S. Farner Jul 1968