Contents
Breeding Dispersal in Indigo Buntings: Circumstances and Consequences for Breeding Success and Population Structure
Robert B. Payne and Laura L. Payne
Digestibility of Three Fish Species by Double-crested Coromorants
Kristin E. Brugger
Variation in the Distributions of Marine Birds with Water Mass in the Northern Bering Sea
Chris S. Elphick and George L. Hunt Jr.
Patterns of Parental Provisioning by Eastern Phoebes
Kelvin F. Conrad and Raleigh J. Robertson
Geographic Variation in Coloration and Morphology of the Acorn Woodpecker
Hesiquio Benitez-Diaz
Nest Predation in the Mountain White-crowned Sparrow
Martin L. Morton, Keith W. Sockman, and Linda E. Peterson
The Effect of Nest Predation on Habitat Selected by Dusky Flycatchers in Limber Pine-juniper Woodland
John P. Kelly
Nonrandom Shorebird Distribution and Fine-scale Variation in Prey Abundance
Mark A. Colwell and Sarah L. Landrum
Shorebird Community Patterns in a Seasonally Dynamic Estuary
Mark A. Colwell
Effect of Vegetation Height on Hunting Behavior and Diet of Loggerhead Shrikes
Reuven Yosef and Thomas C. Grubb Jr.
Winter Foraging Ecology of Bald Eagles in Arizona
Bryant T. Brown
Nesting Associations of Least Bitterns and Boat-tailed Grackles
William Post and Carol A. Seals
Distribution and Abundance of Piping Plovers: Results and Implications of the 1991 International Census
Susan M. Haig and Jonathan H. Plissner
Do Free-ranging Common Nighthawks Enter Torpor?
Mitchell C. Firman, R. Mark Brigham, and Robert M.R. Barclay
Red Breasts as Honest Signals of Migratory Quality in a Long-distance Migrant, the Bar-tailed Godwit
Theunis Piersma and Joop Jukema
The Diets of Neotropical Trogons, Motmots, Barbets and Toucans
J. V. Remsen Jr., Mary Ann Hyde, and Angela Chapman
The Energetics of Migration and Reproduction of Dusky Canada Geese
Robert G. Bromley and Robert L. Jarvis
Book Reviews
Christopher W. Thompson
New Books in Ornithology
Christopher W. Thompson
News and Notes
The Condor
Nominees for 1993 Board Directories
The Condor
Proposed Bylaws Changes
The Condor
Information for Contributors
The Condor
Covers
Back Matter (PDF)
The Condor
Front Matter (PDF)
The Condor
Short Communications
Estradiol Cypionate (ecp) Markedly Improves Survival of Willow Ptarmigan in Captivity
Kathy Martin and Cynthia A. Wright
Does Brown-headed Cowbird Egg Coloration Influence Red-winged Blackbird Responses towards Nest Contents?
Joseph C. Ortega, Catherine P. Ortega, and Alexander Cruz
Effect of Mate Removal on Nest Success of Female Wood Ducks
Daniel L. Hipes and Gary R. Hepp
Behavior, Vocalizations and Possible Relationships of Xenornis Setifrons (formicariidae), a Little-known Choco Endemic
Bret M. Whitney and Gary H. Rosenberg
Prey Transport by Loggerhead Shrikes
Reuven Yosef