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Spacing And Orientation Among Feeding Golden-Crowned Sparrows, Oliver P. Pearson Aug 1979

Early Breeding Behavior Of Lineated Woodpeckers, Lawrence Kilham, Patricia O'Brien Aug 1979

Statement Of Cash Receipts And Disbursements And Changes In Fund Balances, Jane A. Durham Aug 1979

Size And Mortality In Male Yellow-Headed Blackbirds, William A. Searcy Aug 1979

Additional Data On Body Size As A Difference Related To Niche, Joanna Burger, J. Richard Trout Aug 1979

Development Of Song Of A Rufous-Sided Towhee Raised In Acoustic Isolation, David N. Ewert Aug 1979

Food Of Silvery Grebes (Podiceps Occipitalis) At Lake Cuicocha, Ecuador, Susan G. Hilsenbeck Aug 1979

First Nest Description For The Genus Micrastur (Forest Falcons), William J. Mader Aug 1979

The Great Potoo In Costa Rica, Donald R. Perry Aug 1979

Greater Shearwater In Costa Rica, Gail Speaker Carr Aug 1979

Front Matter (Pdf), The Condor May 1979

Back Matter (Pdf), The Condor May 1979

Recent Publications, The Condor May 1979

Fruit-Eating Behavior Of Swallow-Tailed Kites (Elanoides Forficatus) In Colombia, Thomas O. Lemke May 1979

Suggestions For Preparing Audiospectrograms For Publication, William L. Thompson May 1979

Renesting Of White-Tailed Ptarmigan In Colorado, Kenneth M. Giesen, Clait E. Braun May 1979

A Second Breeding Record For The Grey-Hooded Gull (Larus Cirrocephalus) On The Coast Of Peru, David C. Duffy, Natasha Atkins May 1979

First Record Of A Blackpoll Warbler For The Galapagos, Peter T. Boag, Laurene M. Ratcliffe May 1979

News And Notes, The Condor May 1979

Golden Eagle Nest On Kodiak Island, Alaska, Vernon D. Berns May 1979

Sound Spectrographic Analysis: Suggestions For Facilitating Auditory Imagery, Joan Hall-Craggs May 1979

Recent Publications, The Condor May 1979

The Evolutionary Re-Establishment Of A Lost Ancestral Muscle In The Bowerbird Assemblage, Robert J. Raikow, Stephen R. Borecky May 1979

Nest And Eggs Of The White-Browned Tapaculo (Scytalopus Superciliaris), Edmund W. Stiles May 1979

Reproductive Commitment And Success Of Cassin's Auklet, David A. Manuwal May 1979

Competition Among Bark-Foraging Birds In Central Illinois: Experimental Evidence, Joseph B. Williams, George O. Batzli May 1979

Egg Weights And Brood Reduction In The European Swift (Apus Apus), Raymond J. O'Connor May 1979

Selective Correlation Of Egg Size With Chick Mortality In The Black-Headed Gull (Larus Ridibundus), Carl Anders Lundberg, Risto A. Vaisanen May 1979

Egg Neglect In The Procellariiformes: Reproductive Adaptations In The Fork-Tailed Storm-Petrel, P. Dee Boersma, Nathaniel T. Wheelwright May 1979

Recent Changes In California Condor Eggshells, Lloyd F. Kiff, David B. Peakall, Sanford R. Wilbur May 1979