Contents
Energy Flow through a Bird Community in a Deciduous Forest in Southern Poland
January Weiner and Zbigniew Glowacinski
An Experimental and Teleonomic Investigation of Avian Brood Parasitism
Stephen I. Rothstein
Behavior of the Adelie Penguin Chick
E. B. Spurr
Half-century Record of the Breeding Birds of the Fortine Area, Montana: Nesting Data and Population Status
Winton Weydemeyer
Song Patterning in the Rock Wren
Donald E. Kroodsma
The Overlap of Molting and Breeding in Some Tropical Birds
Mercedes S. Foster
Demography and Behavioral Ecology of California Quail on Vancouver Island
H. J. Barclay and A. T. Bergerud
Notes on the Giant Coot (fulica Gigantea)
Robert W. Mcfarlane
News and Notes
The Condor
Selected Recent Publications
The Condor
The Bulletin Board
The Condor
Cooper Ornithological Society Statement of Assets and Fund Balances Resulting from Cash Transactions
The Condor
Covers
Back Matter (PDF)
The Condor
Front Matter (PDF)
The Condor
Short Communications
Seed Selection and Handling Ability of Four Species of Darwin's Finches
Lan Abbott, L. K. Abbott, and P. R. Grant
Food Habits of Nesting Bald Eagles in Southeast Alaska
Courtland H. Ofelt
Duck Nest Predation by Gulls in Relation to Water Depth
David E. Joyner
External Differences Between Newly Hatched Cuckoos (coccyzus Americanus and C. Erythropthalmus)
Val Nolan Jr.
Notes on Molt and Juvenal Plumage in the Acorn Woodpecker
C. J. Spray and M. H. Macroberts
Hazards of Tail-first Fish-swallowing by Young Terns
Michael Gochfeld
Pelagic Gulls in Winter Off Southern California
Brian A. Harrington
Different Head-scratching Attempts in a One-legged Gull and Parrot
Robert B. Wade and Jack P. Hailman
Perch-site Preferences of Four Diurnal Raptors in Northeastern Colorado
Wayne R. Marrion and Ronald A. Ryder
The Chestnut-collared Swift in the Lowlands of Sinaloa, Mexico
David A. Easterla
The Cattle Egret in Central Baja California, Mexico
Dennis M. Power and James D. Rising
Notes on Nesting in the Double-striped Thick-knee (burhinus Bistriatus) in Costa Rica
Curtis H. Freese
Gray Hawk Feeding on Worm Lizard
Steve West
Additions to the Galapagos Avifauna
Michael P. Harris
A Specimen of the Yellow-headed Blackbird from the Panama Canal Zone
Joseph G. Strauch Jr.
The Plain-breasted Ground Dove in Surinam
F. Haverschmidt
Predator-prey Interactions of Adult and Prefledgling Bank Swallows and American Kestrels
Donald Windsor and Stephen T. Emlen
Possible Impairment of Nest-building of Hummingbirds by Acetate Leg Tags
Nickolas M. Waser and William A. Calder
An Albinistic Marbled Godwit: a First Record
James F. Wittenberger
Morphological and Biochemical Evidence of Hybridization Between Cave and Barn Swallows
Robert F. Martin and Robert K. Selander
Nest Site Selection by Williamson and Red-naped Sapsuckers
Allen B. Crockett and Harlo H. Hadow