Contents
Effect of Eggshell Thinning on Water Vapor Conductance of Malleefowl Eggs
David T. Booth and Roger S. Seymour
Organochlorines, Predators and Reproductive Success of the Red-necked Grebe in Southern Manitoba
Ken D. Smet
Primary Molt of California Condors
Noel F. Snyder, Eric V. Johnson, and David A. Clendenen
What Limits Mourning Doves to a Clutch of Two Eggs?
David Westmoreland and Louis B. Best
Morphology of Hatchling Hooded Crows and Its Relation to Egg Volume
Gunnar Rofstad and Jostein Sandvik
A Complex Vocalization of the Black-capped Chickadee. Ii. Repertoires, Dominance and Dialects
Millicent S. Ficken, Charles M. Weise, and James A. Reinartz
The Vocal Repertoire of the Red Junglefowl; a Spectrographic Classification and the Code of Communication
Nicholas E. Collias
Multiscale Associations Between Cavity-nesting Birds and Features of Wyoming Streamside Woodlands
Kevin J. Gutzwiller and Stanley H. Anderson
The Summer Biology of an Unstable Insular Population of White-crowned Sparrows in Oregon
James R. King and L. Richard Mewaldt
Feeding Methods and Efficiencies of Selected Frugivorous Birds
Mercedes S. Foster
Do Nest Building and First Egg Dates Reflect Settlement Patterns of Females
Bridget J. Stutchbury and Raleigh J. Robertson
Seasonal Time-energy Budgets of Free-living Chukars in the Negev Desert
Nurit Carmi-Winkler, A. Allan Degen, and Berry Pinshow
Effect of Group Size and Location Within the Group on the Foraging Behavior of White Ibises
Daniel R. Petit
Fecal Sac Dispersal by Prothonotary Warblers: Weatherhead's Hypothesis Re-evaluated
Daniel R. Petit and Lisa J. Petit
Breeding Bird Populations during Twenty-five Years of Postfire Succession in the Sierra Nevada
Martin G. Raphael, Michael L. Morrison, and Michael P. Yoder-Williams
Landbird Productivity in Central Coastal California: the Relationship to Annual Rainfall, and a Reproductive Failure in 1986
David F. Desante and Geoffrey R. Geupel
Book Reviews
March F. Lawton
Books Received
The Condor
News and Notes
The Condor
Covers
Back Matter (PDF)
The Condor
Front Matter (PDF)
The Condor
Short Communications
Observations on Two Rare Birds, Upucerthia Albigula and Conirostrum Tamarugenese, from the Andes of Southwestern Peru
Thomas S. Schulenberg
Nest Site Selection by Elf Owls in Saguaro National Monument, Arizona
M. Susanna Goad and R. William Mannan
An Improved Procedure for Counting Pores in Avian Eggshells
Gilbert W. Blankespoor
Nesting of the Ross Goose and Blue-phase Snow Goose in the Sagavanirktok River Delta, Alaska
Stephen R. Johnson and Declan M. Troy
Burrow Nesting by Common Barn-owls in North Central Colorado
Brian A. Millsap and Patricia A. Millsap
Two Recent Records of Neotropical Eagles in Southern Veracruz, Mexico
Eduardo Inigo E., Mario Ramos, and Fernando Gonzalez
Unusual Records from Coahuila, Mexico
Aldegundo Garza Leon
First Description of the Nest of the Olive Finch, Lysurus Castaneiceps
Thomas S. Schulenberg and Frank B. Gill
Conspecific Egg Discrimination in American Coots
Todd W. Arnold
Grasshopper Consumption and Summer Flocks of Nonbreeding Swainson's Hawks
C. G. Johnson, L. A. Nickerson, and M. J. Bechard