Contents
Olfactory Navigation in Homing Pigeons: Are the Current Models Atmospherically Realistic?
Jerry A. Waldvogel
Pair and Group Reproductive Success, Polyandry, and Cooperative Breeding in Harris' Hawks
James C. Bednarz
Social Displays in Red-winged Blackbirds (agelaius Phoeniceus): Sensitivity to Thermoregulatory Costs
William R. Santee and George S. Bakken
100 Years Ago in the Auk
The Auk
Factors Affecting Variation in the Egg and Duckling Components of Wood Ducks
Gary R. Hepp, Donna J. Stangohr, Leslie A. Baker, and Robert A. Kennamer
Copulation and Mate Guarding in the Northern Fulmar
Scott A. Hatch
Effects of Experimental Manipulation of Testosterone Levels on Parental Investment and Breeding Success in Male House Sparrows
Robert E. Hegner and John C. Wingfield
Notes and News
The Auk
Effects of Brood-size Manipulations on Parental Investment, Breeding Success, and Reproductive Endocrinology of House Sparrows
Robert E. Hegner and John C. Wingfield
Nesting Mortality and Habitat Selection by Marsh Wrens
Marty L. Leonard and Jaroslav Picman
In Memoriam: Samuel Charles Kendeigh
Roger D. Applegate
Thirty-sixth Supplement to the American Ornithologists' Union Check-list of North American Birds
The Auk
Covers
Front Matter
The Auk
Back Matter
The Auk
Short Communications
A Technique for Salvaging Anatomical Material from Study Skins of Rare or Extinct Birds
Storrs L. Olson, J. Phillip Angle, Frederick V. Grady, and Helen F. James
Brown-headed Cowbirds Learn Flight Whistles After the Juvenile Period
Stephen I. Rothstein and Robert C. Fleischer
Interisland Variation in Blood Drinking by Gal
Robert L. Curry and David J. Anderson
Secondary Sex Ratios and Egg Sequence in Herring Gulls
John P. Ryder and Beatrice M. Termaat
The Vocalizations of the Slender-billed Wren (hylorchilus Sumichrasti) Who Are Its Close Relatives?
John William Hardy and Dale J. Delaney
Energy Savings Attending Winter-nest Use by Verdins (auriparus Flaviceps)
William A. Buttemer, Lee B. Astheimer, Wesley W. Weathers, and Anita M. Hayworth
The Center-edge Effect: the Result of a War of Attrition Between Territorial Contestants?
Luc-Alain Giraldeau and Ron Ydenberg
On the Extent and Source of Instability in Avian Nomenclature, as Exemplified by North American Birds
Storrs L. Olson
First Specimen of Stonechat (saxicola Torquata) for North America
Timothy O. Osborne and G. Kasha Osborne
Commentaries
Release of Captive-reared or Translocated Endangered Birds: what Do We Need to Know?
J. Michael Scott and James W. Carpenter
Body Condition in Eastern Kingbirds
Ray T. Alisauskas, C. Davison Ankney, and David G. Krementz
Response to Alisauskas, Ankney, and Krementz
Michael T. Murphy
Female Choice in Middendorff's Grasshopper-warbler?
Jill P. Lightbody
Response to Jp Lightbody
Hisashi Nagata
A New Paradigm for the Analysis and Interpretation of Growth Data: the Shape of Things to Come
I. Lehr Brisbin Jr., Charles T. Collins, Gary C. White, and D. Archibald Mccallum
On Paradigms Vs Methods in the Study of Growth
Michael Gochfeld
Dna Hybridization and Avian Systematics
Jon E. Ahlquist, Anthony H. Bledsoe, Frederick H. Sheldon, and Charles G. Sibley