THE CONDOR
Volume 108, Number 1
February 2006 C.E.
Table of Contents

SPECIAL SECTION: HIERARCHICAL MODELS IN AVIAN ECOLOGY

Hierarchical Models for Avian Ecologists
1

WILLIAM B. KRISTAN III AND J. MICHAEL SCOTT
Sources and Expectations for Hierarchical Structure in Bird-Habitat Associations
5

WILLIAM B. KRISTAN III
A Hierarchical Model for Regional Analysis of Population Change using Christmas Bird Count Data, with Application to the American Black Duck
13

WILLIAM A. LINK, JOHN R. SAUER, AND DANIEL K. NIVEN
Predicting Regional Abundance of Rare Grassland Birds with a Hierarchical Spatial Count Model 25

WAYNE E. THOGMARTIN, MELINDA G. KNUTSON, AND JOHN R. SAUER
A Variance-Decomposition Approach to Investigating Multiscale Habitat Associations 47

JOSHUA J. LAWLER AND THOMAS C. EDWARDS JR.
Cross-Scale Correlations and the Design and Analysis of Avian Habitat Selection Studies 59

JAMES BATTIN AND JOSHUA J. LAWLER

FEATURE ARTICLES

Breeding Dispersal in the California Spotted Owl 71

JENNIFER A. BLAKESLEY, DAVID R. ANDERSON, AND BARRY R. NOON
Annual Variation in Numbers of Breeding California Gulls at Mono Lake, California:  The Importance of Natal Philopatry and Local and Regional Conditions 82

PETER H. WREGE, W. DAVID SHUFORD, ROBERT JELLISON, AND DAVID W. WINKLER
Effects of Nestling Health on Postfledging Survival of Wood Storks 97

REBECCA A. HYLTON, PETER C. FREDERICK, TERESA E. DE LA FUENTE, AND MARILYN G. SPALDING
Group Living in the Black-Breasted Wood-Quail and the Use Of Playbacks as a Survey Technique 107

AMANDA M. HALE
Environmental Correlates of Song Structure in Forest Grosbeaks and Saltators 120

PABLO L. TUBARO AND DARÍO A. LIJTMAER
Apparent Effects of Light Pollution on Singing Behavior of American Robins 130

MARK W. MILLER
Species Richness and Nesting Success of Migrant Forest Birds in Natural River Corridors and Anthropogenic Woodlands in Southeastern South Dakota 140

DALE J. GENTRY, DAVID L. SWANSON, AND JAY D. CARLISLE
Cerulean Warbler Abundance and Occurrence Relative to Large-Scale Edge and Habitat Characteristics 154

PETRA BOHALL WOOD, SCOTT B. BOSWORTH, AND RANDY DETTMERS
The Allometric Relationship Between Resting Metabolic Rate and Body Mass in Wild Waterfowl (Anatidae) and an Application to Estimation of Winter Habitat Requirements 166

MICHAEL R. MILLER AND JOHN MCA. EADIE
Reproductive Parameters and Productivity of the Yellow-shouldered Parrot on Margarita Island, Venezuela:  A Long-Term Study 178

VIRGINIA SANZ AND ADRIANA RODRÍGUEZ-FERRARO
Effects of Sex and Age on Survival of Northern Flickers:  A Six-Year Field Study 193

RYAN J. FISHER AND KAREN L. WIEBE
Sources of Variation in Survival of Breeding Female Wood Ducks 201

KEVIN M. HARTKE, JAMES B. GRAND, GARY R. HEPP, AND TRAVIS H. FOLK
Nest Attributes, Aggression, and Breeding Success of Gulls in Single and Mixed Species Subcolonies 211

JULIE C. ELLIS AND THOMAS P. GOOD

SHORT COMMUNICATIONS

Postbreeding Movements of Frigatebirds Tracked with Satellite Telemetry 220

HENRI WEIMERSKIRCH, MATTHIEU LE CORRE, FRANCIS MARSAC, CHRISTOPHE BARBRAUD, OLIVIER TOSTAIN, AND OLIVIER CHASTEL
Differential Migration in Western Sandpipers with Respect to Body Size and Wing Length 225

PATRICK D. O'HARA, GUILLERMO FERNÁNDEZ, BEN HAASE, HORACIO DE LA CUEVA, AND DAVID B. LANK
A Possible Role for Red Squirrels in Structuring Breeding Bird Communities in Lodgepole Pine Forests 232

ADAM M. SIEPIELSKI
Conflicting Temporal Changes in the Frequency and Intensity of Cowbird Parasitism on Four Common Hosts in Ontario over 130 Years 238

CELIA M. MCLAREN, TODD J. UNDERWOOD, AND SPENCER G. SEALY

BOOK REVIEWS

The Singing Life of Birds: The Art and Science of Listening to Birdsong, by Donald Kroodsma 243

ANGELIKA POESEL
Birds and Climate Change: Advances in Ecological Research, Volume 35, edited by A. Møller, W. Fiedler, and P. Berthold 244

JOHN P. MCCARTY
Wheatears of Palearctic: Ecology, Behaviour and Evolution of the Genus Oenanthe, by Evgeniy N. Panov 245

JOSEF KREN
Birds of South Asia: The Ripley Guide, by Pamela C. Rasmussen and John C. Anderton 247

KAMAL ISLAM

INSTRUCTIONS FOR AUTHORS
249