THE CONDOR
Volume 109, Number 2
May 2007 C.E.
Table of Contents

FEATURE ARTICLES
Neotropical Forest Bird Communities: A Comparison of Species Richness and Composition at Local and Regional Scales
237

JOHN G. BLAKE
Estimating Origins of Three Species of Neotropical Migrant Songbirds at a Gulf Coast Stopover Site: Combining Stable Isotope and GIS Tools
256

KEITH A. HOBSON, STEVE VAN WILGENBURG, LEONARD I. WASSENAAR, FRANK MOORE, AND JEFFREY FARRINGTON
Mercury and Stable Isotopes in Feathers of Audouin’s Gulls as Indicators of Feeding Habits and Migratory Connectivity 268

CAROLA SANPERA, XAVIER RUIZ, ROCÍO MORENO, LLUÍS JOVER, AND SUSAN WALDRON
Seasonal Distribution, Abundance, and Nesting of Puna, Andean, and Chilean Flamingos 276

SANDRA M. CAZIANI, OMAR ROCHA OLIVIO, EDUARDO RODRÍGUEZ RAMÍREZ, MARCELO ROMANO, ENRIQUE J. DERLINDATI, ANDRÉS TÁLAMO, DAVID RICALDE, CARMEN QUIROGA, JUAN PABLO CONTRERAS, MARIANA VALQUI, AND HEBER SOSA
Effects of Distance to Edge and Edge Type on Nestling Growth and Nest Survival in the Wood Thrush 288

SARA A. KAISER AND CATHERINE A. LINDELL
Mass Loss by Breeding Female Songbirds: Food Supplementation Supports Energetic Stress Hypothesis in Black-throated Blue Warblers 304

LAURA R. NAGY, DOMINIC STANCULESCU, AND RICHARD T. HOLMES
Sexual Dimorphism and Parental Roles in the Thorn-tailed Rayadito (Furnariidae) 312

JUAN MORENO, SANTIAGO MERINO, ELISA LOBATO, MIGUEL A. RODRÍGUEZ-GIRONÉS, AND RODRIGO A. VÁSQUEZ
Breeding Biology of Passerines in a Subtropical Montane Forest in Northwestern Argentina 321

SONYA K. AUER, RONALD D. BASSAR, JOSEPH J. FONTAINE, AND THOMAS E. MARTIN
Late Summer and Fall Nesting in the Acorn Woodpecker and Other North American Terrestrial Birds 334

WALTER D. KOENIG AND JUSTYN T. STAHL
Disappearance of Breeding Semipalmated Sandpipers from Churchill, Manitoba: More Than a Local Phenomenon 351

JOSEPH R. JEHL, JR.
Feeding Ecology of Greater Snow Goose Goslings in Mesic Tundra on Bylot Island, Nunavut, Canada 361

BENOÎT AUDET, GILLES GAUTHIER, AND ESTHER LÉVESQUE
Nest Survival Patterns in Willow Ptarmigan: Influence of Time, Nesting Stage, and Female Characteristics 377

SCOTT WILSON, KATHY MARTIN, AND SUSAN J. HANNON
Geographic Variation in Contact Calls of Feral North American Populations of the Monk Parakeet 389

SUSANNAH C. BUHRMAN-DEEVER, AMY R. RAPPAPORT, AND JACK W. BRADBURY
Behavior and Phylogenetic Position of Premnoplex Barbtails (Furnariidae) 399

JUAN IGNACIO ARETA
Geographical Structure of Genetic Variation in the Malagasy Scops-Owl Inferred from Mitochondrial Sequence Data 408

JÉRÔME FUCHS, JEAN-MARC PONS, ERIC PASQUET, MARIE JEANNE RAHERILALAO, AND STEVEN M. GOODMAN
Geographic Variation in Color, Measurements, and Molt of the Lesser Goldfinch in North America Does Not Support Subspecific Designation 419


ERNEST J. WILLOUGHBY

SHORT COMMUNICATIONS

Potential Effects of Climate Change on Elevational Distributions of Tropical Birds in Southeast Asia 437

KELVIN S.-H. PEH
Intraspecific Latitudinal Variation in Nest Orientation among Ground-Nesting Passerines: A Study Using Published Data 441

NIALL H. K. BURTON
Heat Production from Foraging Activity Contributes to Thermoregulation in Black-capped Chickadees 446

SHELDON J. COOPER AND SARAH SONSTHAGEN
Diet–Feather Stable Isotope (δ15N and δ13C) Fractionation in Common Murres and Other Seabirds 451

BENJAMIN H. BECKER, SCOTT H. NEWMAN, SUSAN INGLIS, AND STEVEN R. BEISSINGER
Phylogeography and Patterns of Differentiation in the Curve-billed Thrasher 456

OCTAVIO R. ROJAS-SOTO, ALEJANDRO ESPINOSA DE LOS MONTEROS, AND ROBERT M. ZINK
Nest Reuse by Eastern Kingbirds: Adaptive Behavior or Ecological Constraint? 463

LUCAS J. REDMOND, MICHAEL T. MURPHY, AND AMY C. DOLAN
Variation and Individuality in Display-Flight Calls of Male Piping Plovers 468

HA-CHEOL SUNG AND EDWARD H. MILLER
Willow Flycatcher Nonbreeding Territory Defense Behavior in Costa Rica 475

MARK K. SOGGE, THOMAS J. KORONKIEWICZ, CHARLES VAN RIPER III, AND SCOTT L. DURST

BOOK REVIEWS


Migrating Raptors of the World: Their Ecology and Conservation, by Keith L. Bildstein 481

MARK MARTELL
Bird Coloration. Volume I: Mechanisms and Measurements, edited by Geoffrey E. Hill and Kevin J. McGraw 482

CARON Y. INOUYE
Waterfowl Ecology and Management. Second Edition, by Guy A. Baldassarre and Eric G. Bolen 483

RICHARD D. CRAWFORD