THE CONDOR
Volume 109, Number 1
February 2007 C.E.
Table of Contents

FEATURE ARTICLES
Shorebird Abundance and Distribution on the Coastal Plain of the Arctic National Wildlife Refuge
1

STEPHEN BROWN, JONATHAN BART, RICHARD B. LANCTOT, JAMES A. JOHNSON, STEVE KENDALL, DAVID PAYER, AND JAY JOHNSON
Effects of Nest Habitat, Food, and Parental Behavior on Shorebird Nest Success 15

PAUL ALLEN SMITH, H. GRANT GILCHRIST, AND JAMES N. M. SMITH
Assessing the Development of Shorebird Eggs Using the Flotation Method: Species-Specific and Generalized Regression Models 32

JOSEPH R. LIEBEZEIT, PAUL A. SMITH, RICHARD B. LANCTOT, HANS SCHEKKERMAN, INGRID TULP, STEVE J. KENDALL, DIANE M. TRACY, ROBERT J. RODRIGUES, HANS MELTOFTE, JULIE A. ROBINSON, CHERI GRATTO-TREVOR, BRIAN J. MCCAFFERY, JULIE MORSE, AND STEVE W. ZACK
Effect of Diet Composition on Plasma Metabolite Profiles in a Migratory Songbird 48

SUSAN B. SMITH, SCOTT R. MCWILLIAMS, AND CHRISTOPHER G. GUGLIELMO
Cutaneous Water Loss and Lipids of the Stratum Corneum in Dusky Antbirds, a Lowland Tropical Bird 59

AGUSTÍ MUÑOZ-GARCIA AND JOSEPH B. WILLIAMS
Sound Transmission and Song Divergence: A Comparison of Urban and Forest Acoustics 67

HANS SLABBEKOORN, PAMELA YEH, AND KIMBERLY HUNT
Offspring Discrimination without Recognition: California Towhee Responses to Chick Distress Calls 79

LAURYN BENEDICT
Habitat, Dominance, and the Phenotypic Quality of Male Black-capped Chickadees 88

HARRY VAN OORT, KENNETH A. OTTER, KEVIN T. FORT, AND ZOE MCDONELL
Nest Densities of Cavity-Nesting Birds in Relation to Postfire Salvage Logging and Time Since Wildfire 97

VICTORIA A. SAAB, ROBIN E. RUSSELL, AND JONATHAN G. DUDLEY
Is Selectively Harvested Forest an Ecological Trap for Olive-Sided Flycatchers? 109

BRUCE A. ROBERTSON AND RICHARD L. HUTTO
Old Burns as Source Habitats for Lewis’s Woodpeckers Breeding in the Black Hills of South Dakota 122

DALE J. GENTRY AND KERRI T. VIERLING
Sexual Size Dimorphism and Morphological Evidence Supporting the Recognition of Two Subspecies in the Galápagos Dove 132

DIEGO SANTIAGO-ALARCON AND PATRICIA G. PARKER
The Effects of Permanent Local Emigration and Encounter Technique on Stopover Duration Estimates as Revealed by Telemetry and Mark-Recapture 142

ERICH BÄCHLER AND MICHAEL SCHAUB
Display Behavior and Spatial Distribution of the White-crowned Manakin in the Atlantic Forest of Brazil 155

IVANDY N. CASTRO-ASTOR, MARIA ALICE S. ALVES, AND ROBERTO B. CAVALCANTI

SHORT COMMUNICATIONS

Survivorship of Band-tailed Manakins 167

JAMES W. PEARCE-HIGGINS, ROBIN C. BRACE, AND JON HORNBUCKLE
Free-Living Male Mountain White-crowned Sparrows Exhibit Territorial Aggression without Modulating Total or Free Plasma Testosterone
173

SHARON E. LYNN, THOMAS P. HAHN, AND CREAGH W. BREUNER
Using a Commercially Available Enzyme Immunoassay to Quantify Testosterone in Avian Plasma 181

BRIAN E. WASHBURN, JOSHUA J. MILLSPAUGH, DANA L. MORRIS, JOHN H. SCHULZ, AND JOHN FAABORG
Subspecific and Temporal Variation in the Structurally Based Coloration of the Ultramarine Grosbeak 187

ANA S. BARREIRA, DARIO A. LIJTMAER, STEPHEN C. LOUGHEED, AND PABLO L. TUBARO
Differences in Plumulaceous Feather Characters of Dabbling and Diving Ducks 192

CARLA J. DOVE AND ANA AGREDA
Potential Ecotoxicological Significance of Elevated Concentrations of Strontium in Eggshells of Passerine Birds 199

MIGUEL A. MORA, ROBERT J. TAYLOR, AND BRYAN L. BRATTIN
Impact of Hurricane Isabel on Bald Eagle Nests and Reproductive Performance in the Lower Chesapeake Bay 206

BRYAN D. WATTS AND MITCHELL A. BYRD
Reduced Nest Predation of Cavity-Nesting Wood Ducks during Flooding in a Bottomland Hardwood Forest 210

CHARLOTTE L. ROY NIELSEN AND ROBERT J. GATES
Foraging Behaviors of Surf Scoters and White-winged Scoters during Spawning of Pacific Herring 216

TYLER L. LEWIS, DANIEL ESLER, AND W. SEAN BOYD

BOOK REVIEWS

Bird Coloration. Volume 2: Function and Evolution, edited by Geoffrey E. Hill and Kevin J. McGraw 223

WILLIAM A. SEARCY
Birds in European Cities, edited by John G. Kelcey and Goetz Rheinwald 224

JOHN M. MARZLUFF
Ecological Consequences of Artificial Night Lighting, edited by Catherine Rich and Travis Longcore 226

ALBERT M. MANVILLE II

NEWS AND NOTES
228

AWARD ANNOUNCEMENTS
229

INSTRUCTIONS FOR AUTHORS
232