THE CONDOR
Volume 106, Number 3
August 2004 C.E.
Table of Contents

FEATURE ARTICLES  
Conservation Priorities for Resplendant Quetzals Based on Analysis of Mitochondrial DNA Control-Region Sequences  
  SOFIA SOLÓRZANO, ALLAN J. BAKER AND KEN OYAMA
Use of Survival Time Analysis to Analyze Nest Success in Birds: An Example Using Loggerhead Shrikes  
  NADAV NUR, AARON L. HOLMES AND GEOFFREY R. GEUPEL
Nest Survival Estimation: A Review of Alternatives to the Mayfield Estimator  
  GRETCHEN JEHLE, AMY A. YACKEL ADAMS, JULIE A. SAVIDGE AND SUSAN K. SKAGEN
Factors Affecting Survival of Mallard Ducklings in Southern Ontario  
  STEVEN T. HOEKMAN, T.SHANE GABOR, RON MAHER, HENRY R. MURKIN AND LLWELLYN M. ARMSTRONG
The Influence of Laying Date and Maternal Age on Eggshell Thickness and Pore Density in Yellow-eyed Penguins  
  MELANIE MASSARO AND LLOYD S. DAVIS
Factors Influencing Incubation Egg-Mass Loss for Three Species of Waterfowl  
  MICHAEL C. ZICUS, DAVID P. RAVE AND MICHAEL R. RIGGS
Common Raven Juvenile Survival in a Human-Augmented Landscape  
  WILLIAM C. WEBB, WILLIAM I. BOARMAN AND JOHN T. ROTENBERRY
Sex Differences in Space Use of Breeding Common Ravens in Western Marin County, California  
  JENNIFER E. ROTH, JOHN P. KELLY, WILLIAM J. SYDEMAN AND MARK A. COLWELL
Ontogeny of Large Birds: Migrants Do It Faster  
  SHAI MEIRI AND YORAM YOM-TOV
Habitat Associations, Relative Abundance, and Species Richness of Autumn Landbird Migrants in Southwestern Idaho  
  JAY D. CARLISLE, SARAH L. STOCK, GREGORY S. KALTENECKER AND DAVID L. SWANSON
Factors Related to Fecal Estrogens and Fecal Testosterone in California Spotted Owls  
  BRIAN E. WASHBURN, DOUGLAS J. TEMPEL, JOSHUA J. MILLSPAUGH, R. J. GUTIÉRREZ AND MARK E. SEAMANS
Correlates of Egg Rejection in Hosts of the Brown-headed Cowbird  
  BRIAN D. PEER AND SPENCER G. SEALY
Relatedness and Nesting Dispersion within Breeding Populations of Greater White-fronted Geese  
  ADA C. FOWLER, JOHN M. EADIE AND CRAIG R. ELY
Environmental Constraints and Cooperative Breeding in the Azure-winged Magpie  
  FILIPE CANÁRIO, SUSANA MATOS AND MANUEL SOLER
Foraging Distance and Home Range of Cassin's Auklets Nesting at Two Colonies in the California Channel Islands  
  JOSH ADAMS, JOHN Y. TAKEKAWA AND HARRY R. CARTER
Trophic Relations of the Red-necked Grebe on Lakes in the Western Boreal Forest: A Stable-Isotope Analysis  
  CYNTHIA A. PASZKOWKI, BEVERLY A. GINGRAS, KAYEDON WILCOX, PAUL KLATT AND WILLIAM M. TONN
Seasonal Movement and Home Range of the Mariana Common Moorhen  
  LEILANI L. TAKANO AND SUSAN M. HAIG

SHORT COMMUNICATIONS
 
Phylogenetic Relationships of the Red-bellied Grackle (Icteridae: Hypopyrrhus pyrohypogaster) Inferred from Mitochondrial DNA Sequence Data  
  CARLOS DANIEL CADENA, ANDRÉS M. CUERVO AND SCOTT M. LANYON
Cooperative Breeding of the Yellow-rumped Marshbird (Icteridae) in Argentina and Paraguay  
  ROSENDO M. FRAGA AND ALEJANDRO DI GIÁCOMO
Recent Speciation Between the Baltimore Oriole and the Black-backed Oriole  
  BEATRICE KONDO, JASON M. BAKER AND KEVIN E. OMLAND
Gloger's Rule, Feather-Degrading Bacteria, and Color Variation among Song Sparrows  
  EDWARD H. BURTT JR. AND JANN M. ICHIDA
Melanin Basis of Ornamental Feather Colors in Male Zebra Finches  
  KEVIN J. MCGRAW AND KAZUMASA WAKAMATSU
Effect of Food Reductions on Territorial Behavior of Purple-throated Caribs  
  ETHAN J. TEMELES, AMANDA B. MUIR, ELON B. SLUTSKY AND MAREN N. VITOUSEK
Physiological Condition in Magellanic Penguins: Does It Matter If You Have to Walk a Long Way to Your Nest?  
  BRIAN G. WALKER, P. DEE BOERSMA AND JOHN C. WINGFIELD
Organochlorine Pesticides Are Not Implicated in the Decline of the Loggerhead Shrike  
  JAMES R. HERKERT
Home Ranges of Sympatric Black and Turkey Vultures in South Carolina  
  TRAVIS L. DEVAULT, BRADLEY D. REINHART, I. LEHR BRISBIN JR. AND OLIN E. RHODES JR.
Winter Philopatry of Harlequin Ducks in Prince William Sound, Alaska  
  SAMUEL A. IVERSON, DANIEL ESLER AND DANIEL J. RIZZOLO