Contents
Egg Removal by Brown-headed Cowbirds: a Field Test of the Host Incubation Efficiency Hypothesis
Douglas R. Wood and Eric K. Bollinger
Effects of Nest Parasitism by the Brown-headed Cowbird on Nesting Success of the California Gnatcatcher
Gerald T. Braden, Robert L. Mckernan, and Shawn M. Powell
Habitat and Microhabitat Features Associated with Cowbird Parasitism in Two Forest Edge Cowbird Hosts
Dirk E. Burhans
Effect of Egg Covering and Habitat on Nest Destruction by House Wrens
Douglas W. White and E. Dale Kennedy
Sequential Cavity Use in a Cottonwood Bottomland
James A. Sedgwick
Habitat Use and Time Budgeting by Wintering Ferruginous Hawks
David L. Plumpton and David E. Andersen
Hydrological Constraints on Tricolored Heron and Snowy Egret Resource Use
Allan M. Strong, G. Thomas Bancroft, and Susan D. Jewell
Local Survival of Dunlin Wintering in California
Nils Warnock, Gary W. Page, and Brett K. Sandercock
Effect of Incubation Body Mass on Reproductive Success and Survival of Two European Diving Ducks: a Test of the Nutrient Limitation Hypothesis
Peter Blums, Aivars Mednis, and Robert G. Clark
Productivity of Nesting Spectacled Eiders on the Lower Kashunuk River, Alaska
James B. Grand and Paul L. Flint
Unusually High Reproductive Effort by Sage Grouse in a Fragmented Habitat in North-central Washington
Michael A. Schroeder
A Comparison of Two Bird Survey Techniques Used in a Subtropical Forest
Andrew A. Whitman, John M. Hagan III, and Nicholas V. Brokaw
Book Reviews
The Condor
Briefly Noted
The Condor
News and Notes
The Condor
Award Announcements
The Condor
Reviewers for Volume 99
The Condor
Index to Volume 99
The Condor
Covers
Back Matter (PDF)
The Condor
Front Matter (PDF)
The Condor
Short Communications
Reproductive Anatomy of the Reed Bunting: a Species Which Exhibits a High Degree of Sperm Competition through Extra-pair Copulations
A. Dixon and T. R. Birkhead
Higher Winter Mortality of the Barn Owl Compared to the Long-eared Owl and the Tawny Owl: Influence of Lipid Reserves and Insulation?
Sylvie Massemin and Yves Handrich
Do the Contents of Barn Owl Pellets Accurately Represent the Proportion of Prey Species in the Field?
Yoram Yom-Tov and David Wool
Territorial Responses of Boreal Forest Birds to Habitat Gaps
Jean-Francois Rail, Marcel Darveau, Andre Desrochers, and Jean Huot
Geographic Variation in the Call of the Blue Petrel: Effects of Sex and Geographical Scale
Vincent Bretagnolle and Fabrice Genevois
Playback of Crows of Male Japanese Quail Elicits Female Phonotaxis
James L. Goodson and Elizabeth Adkins-Regan
Changes in King Penguin Breeding Cycle in Response to Food Availability
Oluf Olsson and Anders Brodin
The Length of Incubation in Relation to Nest Initiation Date and Clutch Size in Dabbling Ducks
Cliff L. Feldheim
Maximum Dive Depths of the Peruvian Diving-petrel
Carlos B. Zavalaga and Jaime Jahncke
Diving Depths of Two Tropical Pelecaniformes: the Red-tailed Tropicbird and the Red-footed Booby
Matthieu Le Corre
Absence of Locomotor-respiratory Coupling during Simulated Descending Flight in the Cackling Canada Goose
Tim Jarsky and Richard Stephenson