Contents
Unusual Patterns of Incomplete Primary Molt in Laysan and Black-footed Albatrosses
Nancy E. Langston and Sievert Rohwer
Homing Experiments with Starlings Deprived of the Sense of Smell
H. G. Wallraff, J. Kiepenheuer, M. F. Neumann, and A. Streng
Characteristics, Use and Possible Functions of the Perch Songs and Chatter Calls of Male Common Yellowthroats
Gary Ritchison
A Test of Whether Economy or Nutrition Determines Fecal Sac Ingestion in Nesting Corvids
Kevin J. Mcgowan
Grit Use by House Sparrows: Effects of Diet and Grit Size
James P. Gionfriddo and Louis B. Best
Habitat-related Factors Affecting the Distribution of Nonbreeding American Avocets in Coastal South Carolina
Ruth Boettcher, Susan M. Haig, and William C. Bridges Jr.
Black Brant Winter and Spring-staging Use at Two Washington Coastal Areas in Relation to Eelgrass Abundance
Ulrich W. Wilson and James B. Atkinson
Dominance, Brood Size and Foraging Behavior during Brood-rearing in the Lesser Snow Goose: an Experimental Study
R. S. Mulder, T. D. Williams, and F. Cooke
Variation in Brood Behavior of Black Brant
James S. Sedinger, Michael W. Eichholz, and Paul L. Flint
Metabolizability and Partitioning of Energy and Protein in Green Plants by Yearling Lesser Snow Geese
James S. Sedinger, Robert G. White, and Jerry Hupp
Morphological Differences in Pacific Coast Populations of Greater White-fronted Geese
Dennis L. Orthmeyer, John Y. Takekawa, Craig R. Ely, Michael L. Wege, and Wesley E. Newton
Foraging Strategies and Energetic Costs of Foraging Flights by Breeding Wood Storks
A. Lawrence Bryan Jr., Malcolm C. Coulter, and Colin J. Pennycuick
Waterbird Predation on Fish in Western Lake Erie: a Bioenergetics Model Application
Charles P. Madenjian and Steven W. Gabrey
Aspects of Breeding Biology and Social Organization in the Scissor-tailed Flycatcher
Jonathan V. Regosin and Stephen Pruett-Jones
Movement of Urine in the Lower Colon and Cloaca of Ostriches
Gary E. Duke, A. Allan Degen, and James K. Reynhout
Removal Indeterminancy and the Proximate Determination of Clutch Size in the House Sparrow
Ted R. Anderson
Northern Hawk-owls in the Nearctic Boreal Forest: Prey Selection and Population Consequences of Multiple Prey Cycles
Christoph Rohner, James N. Smith, Johan Stroman, Miranda Joyce, Frank I. Doyle, and Rudy Boonstra
Nesting Habitat and Nesting Success of Eastern Wild Turkeys in the Arkansas Ozark Highlands
Alexander V. Badyaev
Book Reviews
Christopher W. Thompson
New Books in Ornithology
Christopher W. Thompson
News and Notes
The Condor
Miller Research Award
The Condor
Information for Contributors
The Condor
Covers
Back Matter (PDF)
The Condor
Front Matter (PDF)
The Condor
Commentary
Associative Mating: a Reply to Mueller
Ian C. Warkentin, Paul C. James, and Lynn W. Oliphant
Short Communications
The Loss of Avian Cavities by Injury Compartmentalization in a Primeval European Forest
Tomasz Wesolowski
Differences in Wintering Areas of Snowy Plovers from Inland Breeding Sites in Western North America
Gary W. Page, Mark A. Stern, and Peter W. Paton
Colony Differences in Response to Trapping in Roseate Terns
Joanna Burger, Ian C. Nisbet, James M. Zingo, Jeffrey A. Spendelow, Carl Safina, and Michael Gochfeld
Sexual Dimorphism and Breeding Success in Tree Swallows and Collared Flycatchers
David A. Wiggins and Tomas Part
New Information on Kittlitz's Murrelet Nests'
Robert H. Day
Nest-site Characteristics of the Madagascar Buzzard in the Rain Forest of the Masoala Peninsula
James Berkelman
Use of Implanted Satellite Transmitters to Locate Spectacled Eiders at Sea
Margaret R. Petersen, David C. Douglas, and Daniel M. Mulcahy
Spatial Aspects of Roost-site Selection in Breeding Male Dark-eyed Juncos
C. Ray Chandler, Ellen D. Ketterson, and Val Nolan Jr.
Genetic Variation and Nesting Bald Eagles
Richard L. Knight, Gerald R. Craig, Michael H. Smith, James W. Grier, and Robert G. Mclean