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The Condor, Volume 77, Number 3 (1975)

3 (July)


Energy Flow Through a Bird Community in a Deciduous Forest in Southern Poland. 233-242.
January Weiner, Zbigniew Glowacinski.
Post-Breeding Movements and Mortality in the Western Gull, Larus Occidentalis. 243-249.
Malcolm C. Coulter.
An Experimental and Teleonomic Investigation of Avian Brood Parasitism. 250-271.
Stephen I. Rothstein.
Behavior of the Adelie Penguin Chick. 272-280.
E. B. Spurr.
Half-Century Record of the Breeding Birds of the Fortine Area, Montana: Nesting Data and Population Status. 281- 287.
Winton Weydemeyer.
The Timing of Endothermy in the Development of Altrical Birds. 288-293.
Erica H. Dunn.
Song Patterning in the Rock Wren. 294-303.
Donald E. Kroodsma.
The Overlap of Molting and Breeding in Some Tropical Birds. 304-314.
Mercedes S. Foster.
Demography and Behavioral Ecology of California Quail on Vancouver Island. 315-323.
H. J. Barclay, A. T. Bergerud.
Notes on the Giant Coot (Fulica Gigantea). 324-327.
Robert W. Mcfarlane.
News and Notes. 371.
Selected Recent Publications. 371-372.
The Bulletin Board. 373.
Summary of Cash Receipts and Disbursements and Changes in Fund Balances. 374.
Cooper Ornithological Society Statement of Assets and Fund Balances Resulting From Cash Transactions. 374.

Short Communications

Interspecific Aggression Between Yellow-Headed Blackbirds and Long-Billed Marsh Wrens. 328-331.
Jared Verner.
Seed Selection and Handling Ability of Four Species of Darwin's Finches. 332-335.
Lan Abbott, L. K. Abbott, P. R. Grant.
Orientation of Adelie Penguins on Their Territories. 335-337.
E. B. Spurr.
Food Habits of Nesting Bald Eagles in Southeast Alaska. 337-338.
Courtland H. Ofelt.
Observations on the Summer Diet of Rough-Legged Hawks From Alaska. 338-339.
Alan M. Springer.
Duck Nest Predation By Gulls in Relation to Water Depth. 339-341.
David E. Joyner.
External Differences Between Newly Hatched Cuckoos (Coccyzus Americanus and C. Erythropthalmus). 341.
Val Nolan, Jr..
Notes on Molt and Juvenal Plumage in the Acorn Woodpecker. 342-344.
C. J. Spray, M. H. Macroberts.
Temperatures of Some Puerto Rican Birds, with Note of Low Temperatures in Todies. 344.
Yoshika Oniki.
Hazards of Tail-First Fish-Swallowing By Young Terns. 345-346.
Michael Gochfeld.
Pelagic Gulls in Winter Off Southern California. 346-350.
Brian A. Harrington.
Different Head-Scratching Attempts in a One-Legged Gull and Parrot. 350.
Robert B. Wade, Jack P. Hailman.
Perch-Site Preferences of Four Diurnal Raptors in Northeastern Colorado. 350-352.
Wayne R. Marrion, Ronald A. Ryder.
The Chestnut-Collared Swift in the Lowlands of Sinaloa, Mexico. 352.
David A. Easterla.
The Cattle Egret in Central Baja California, Mexico. 353.
Dennis M. Power, James D. Rising.
Notes on Nesting in the Double-Striped Thick-Knee (Burhinus Bistriatus) in Costa Rica. 353-354.
Curtis H. Freese.
Gray Hawk Feeding on Worm Lizard. 354.
Steve West.
Additions to the Galapagos Avifauna. 355.
Michael P. Harris.
A Specimen of the Yellow-Headed Blackbird From the Panama Canal Zone. 355.
Joseph G. Strauch, Jr..
The Plain-Breasted Ground Dove in Surinam. 355-356.
F. Haverschmidt.
Schedule of Presupplemental Molt of White Pelicans with Notes on the Bill Horn. 356-359.
F. L. Knopf.
Predator-Prey Interactions of Adult and Prefledgling Bank Swallows and American Kestrels. 359-361.
Donald Windsor, Stephen T. Emlen.
Possible Impairment of Nest-Building of Hummingbirds By Acetate Leg Tags. 361.
Nickolas M. Waser, William A. Calder.
An Albinistic Marbled Godwit: A First Record. 362.
James F. Wittenberger.
Morphological and Biochemical Evidence of Hybridization Between Cave and Barn Swallows. 362-364.
Robert F. Martin, Robert K. Selander.
Nest Site Selection By Williamson and Red-Naped Sapsuckers. 365-368.
Allen B. Crockett, Harlo H. Hadow.
Post-Fledging Parental Care in Crested and Sooty Terns. 368-370.
C. J. Feare.
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Front Matter (PDF) (298.34 KB) 298.34 KB

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