Contents
Macrogeographic Patterns of Morphometric and Genetic Variation in the Sage Sparrow Complex
Ned K. Johnson and Jill A. Marten
Patterns of Mitochondrial Dna Divergence in North American Crested Titmice
Frank B. Gill and Beth Slikas
Avian Use of Habitat Configurations Created by Forest Cutting in Southeastern Wyoming
Mary E. Keller and Stanley H. Anderson
Impact of Pasture Development on Winter Bird Communities in Belize, Central America
Victoria A. Saab and Daniel R. Petit
Habitat Use by Three Breeding Insectivorous Birds in Declining Maple Forests'
M. Darveau, J. L. Desgranges, and G. Gauthier
Settlement Period and Function of Long-term Territory in Tropical Mangrove Passerines
Gaetan Lefebvre, Brigitte Poulin, and Raymond Mcneil
Colony Attendance of Least Auklets at St. Paul Island, Alaska: Implications for Population Monitoring
Ian L. Jones
Nocturnal Foraging in the American White Pelican
Blair F. McMahon and Roger M. Evans
Three Chamaeza Antthrushes in Eastern Brazil (formicariidae)
Edwin O. Willis
Temperature Regulation in the Incubation Mounds of the Australian Brush-turkey
Roger S. Seymour and David F. Bradford
Foraging Behavior and Diet of the Helmeted Manakin
Miguel Angelo Marini
Individual Diet Difference, Parental Care and Reproductive Success in Slaty-backed Gulls
Yutaka Watanuki
Is the Poo-uli a Hawaiian Honeycreeper (drepanidinae)?
H. Douglas Pratt
Assessing Avian Diets Using Stable Isotopes I: Turnover of 13c in Tissues
Keith A. Hobson and Robert G. Clark
Assessing Avian Diets Using Stable Isotopes Ii: Factors Influencing Diet-tissue Fractionation
Keith A. Hobson and Robert G. Clark
Plumage and Size Variation in the Mourning Warbler
Jay Pitocchelli
Categorization of Notes Used by Female Red-winged Blackbirds in Composite Vocalizations
Timothy A. Armstrong
Distribution and Relative Abundance Patterns of Columbids in Puerto Rico
Frank F. Rivera-Milan
A New Procedure for Transmitter Attachment: Effects on Brood Attendance and Chick Feeding Rates by Male Common Terns
Ralph D. Morris and Gary P. Burness
Genetic Variation and Differentiation in Mexican Populations of Common Bush-tanagers and Chestnut-capped Brush-finches
A. Townsend Peterson, Patricia P. Escalante, and Adolfo S. Navarro
Contest Asymmetry and Multiple Bird Conflicts during Foraging among Nonbreeding American Flamingos in Yucatan, Mexico
Richard A. Schmitz and Guy A. Baldassarre
Correlates of Flock Size and Behavior of Foraging American Flamingos Following Hurricane Gilbert in Yucatan, Mexico
Richard A. Schmitz and Guy A. Baldassarre
Book Reviews
Raymond Pierotti
Information for Contributors
The Condor
Covers
Back Matter (PDF)
The Condor
Front Matter (PDF)
The Condor
Commentary
Incorrect Use of the Humphrey-parkes Molt and Plumage Terminology for Buntings of the Genus Passerina
Ernest J. Willoughby
Clarifying the Humphrey-parkes Molt and Plumage Terminology
Sievert Rohwer, Christopher W. Thompson, and Bruce E. Young
Invited Essasys
Short Communications
Body Temperature of Spectacled Parrotlet Nestlings in Relation to Body Mass and Brood Size
Gustavo H. Kattan and Natalia Gomez
Density of Loons in Central Alaska
Richard B. Lanctot and Pham X. Quang
Nesting Density and Communal Breeding in American Oystercatchers
Brook Lauro, Erica Nol, and Mark Vicari
Scarcity of Haematozoa in Birds Breeding on the Arctic Tundra of North America
Gordon F. Bennett, Robert T. Montgomerie, and Gilles Seutin