The Condor, Volume 92, Number 2 (1990)

Journal
Condor
Volume
92
Issue
2
Year
1990

CONTENTS

Bird Specimens and Documentation: Critical Data for a Critical Resource. 277-283.
Mercedes S. Foster, Peter F. Cannell.
Leapfrog Migration in North American Shorebirds: Intra- and Interspecific Examples. 284-290.
John M. Boland.
Co-Occurrences of Foods in Stomachs and Feces of Fruit-Eating Birds. 291-303.
Douglas W. White, Edmund W. Stiles.
Conductance and Structure of Eggs of Adelie Penguins, Pygoscelis Adeliae, and Its Implications for Incubation. 304- 312.
Michael B. Thompson, Kenneth N. Goldie.
Analyst and Observer Variability in Density Estimates From Spot Mapping. 313-325.
Jared Verner, Kathleen A. Milne.
Statistical Perspectives and Experimental Design When Counting Birds on Line Transects. 326-335.
Joann M. Hanowski, Gerald J. Niemi, John G. Blake.
Red-Winged Blackbirds and Brown-Headed Cowbirds: Some Aspects of a Host-Parasite Relationship. 336-340.
Scott Freeman, David F. Gori, Sievert Rohwer.
Breeding Energetics and Thermal Ecology of the Acorn Woodpecker in Central Coastal California. 341-359.
Wesley W. Weathers, Walter D. Koenig, Mark T. Stanback.
Individual Contributions to Cooperative Nest Care in the Acorn Woodpecker. 360-368.
Ronald L. Mumme, Walter D. Koenig, Frank A. Pitelka.
Courtship and Aggression in Canvasbacks: Influence of Sex and Pair-Bonding. 369-378.
James R. Lovvorn.
Water Economy of Granivorous Birds: A Predictive Model. 379-392.
Richard E. Macmillen.
Adaptations to Tidal Marshes in Breeding Populations of the Swamp Sparrow. 393-404.
Russell Greenberg, Sam Droege.
Comparison of Roost Use By Three Species of Communal Roostmates. 405-412.
Douglas W. Morrison, Donald F. Caccamise.
Diet of Nestling Winter Wrens in Relationship to Food Availability. 413-420.
Betrice Van Horne, Ahmad Bader.
Foraging Roles of Male and Female Western Grebes During Brood Rearing. 421-426.
L. Scott Forbes, Spences G. Sealy.
Habitat Specialization and Foraging Behavior By Birds of Amazonian River Islands in Northeastern Peru. 427-443.
Gary H. Rosenberg.
Population Dynamics of the Wood Thrush in Southern Veracruz, Mexico. 444-460.
Kevin Winker, John H. Rappole, Mario A. Ramos.
Patterns of Shiny Cowbird Parasitism in St. Lucia and Southwestern Puerto Rico. 461-469.
William Post, Tammie K. Nakamura, Alexander Cruz.
Social System and Helping Behavior in the White-Banded Tanager (Neothraupis Fasciata). 470-474.
Maria Alice S. Alves.
Prey Delivery, Caching, and Retrieval Rates in Nesting Prairie Falcons. 475-484.
Anthonie M. A. Holthulizen.
Calling Behavior of Spotted Owls in Northern Arizona. 485-490.
Joseph L. Ganey.
Distribution, Density, and Age Structure of Spotted Owls on Two Southern California Habitat Islands. 491-495.
R. J. Gutierrez, John Pritchard.
Total Body Electrical Conductivity (Tobec) to Estimate Total Body Fat of Free-Living Birds. 496-499.
Gonzalo Castro, Bruce A. Wunder, Fritz L. Knopf.
Fat Scoring: Sources of Variability. 500-507.
David G. Krementz, Grey W. Bendleton.
Numbers and Distribution of Sperm in the Uterovaginal Sperm Storage Tubules of the Zebra Finch. 508-516.
T. R. Birkhead, J. E. Pellatt, F. M. Hunter.
Book Reviews. 539-540.
Marcy F. Lawton.
News and Notes. 541.
.

Short Communications

First Records for the Boreal Owl in New Mexico. 517-519.
Dale W. Stahlecker, John J. Rawinski.
Additional Evidence of Multiple Parentage in Eastern Bluebirds. 520-521.
Alvan A. Karlin, Kimberly G. Smith, Micheline C. Stephens, Rose Ann Barnhill.
Function of Crest Displays in Royal Flycatchers (Onychorhynchus). 522-524.
Gary R. Graves.
Daytime Feeding By Leach's Storm-Petrel on a Midwater Fish in the Eastern Tropical Pacific. 524-527.
Robert L. Pitman, Lisa T. Ballance.
Song as Part of High Intensity Aggressive Interactions of Wintering White-Throated Sparrows. 527-530.
Barney A. Schlinger.
Sexual Differences in Antipredator Behavior of Breeding American Avocets and Black-Necked Stilts. 530-532.
Tex A. Sordahl.
Observations of Aggressive Interactions By Bald Eagles of Known Age and Sex. 532-534.
David K. Garcelon.
Clutch Size, Offspring Quality, and Female Survival in Tree Swallows-An Experiment. 534-537.
David A. Wiggins.
The Correct Spelling of Hypoleucus Reichenbach, 1852. 537.
Douglas Siegel-Causey.
Geographic Variation in the Yellow-Billed Cuckoo Corrections and Comments. 538.
Richard C. Banks.
Attachment Size
Back Matter (PDF) (261.74 KB) 261.74 KB
Front Matter (PDF) (191.77 KB) 191.77 KB

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