Contents
Continuous Laying by American Coots in Response to Partial Clutch Removal and Total Clutch Loss
Todd W. Arnold
Age-related Effects of Testosterone, Plumage, and Experience on Aggression and Social Dominance in Juvenile Male Satin Bowerbirds (ptilonorhynchus Violaceus)
Ken Collis and Gerald Borgia
Estimating Conspecific Nest Parasitism in the Northern Masked Weaver Based on Within-female Variability in Egg Appearance
Wendy M. Jackson
Estimating Age of Young Birds with a Multivariate Measure of Body Size
Scott G. Gilliland and C. Davison Ankney
Ontogenesis of Intestinal Nutrient Transport in Domestic Chickens (gallus Gallus) and Its Relation to Growth
Bryan S. Obst and Jared Diamond
Systematic Relationships among Some Anatini as Derived from Restriction-endonuclease Analysis of a Repeated Dna Component
James M. Tuohy, Kevin P. Mchugh, and Siwo R. De Kloet
Roles of Egg Mass and Incubation Pattern in Establishment of Hatching Hierarchies in the Blackbird (turdus Merula)
Robert D. Magrath
Effects of Food Abundance and Male Parental Care on Reproductive Success and Monogamy in Tree Swallows
Peter O. Dunn and Susan J. Hannon
Visible Morning Flight of Neotropical Landbird Migrants at Cape May, New Jersey
David S. Wiedner, Paul Kerlinger, David A. Sibley, Paul Holt, Julian Hough, and Richard Crossley
Physiology of Prolonged Fasting in Greater Snow Geese (chen Caerulescens Atlantica)
Claire Boismenu, Gilles Gauthier, and Jacques Larochelle
Establishing Paternity in Whooping Cranes (grus Americana) by Dna Analysis
Jonathan L. Longmire, George F. Gee, Cathy L. Hardekopf, and Graham A. Mark
Evolution in the Rock Dove: Skeletal Morphology
Richard F. Johnston
Pair Composition and Reproductive Success across a Hybrid Zone of Carrion Crows and Hooded Crows
Nicola Saino and Simona Villa
Confidence of Paternity and Parental Effort in Razorbills
Richard H. Wagner
Factors Affecting Survival of Adult Least Auklets (aethia Pusilla) at St Paul Island, Alaska
Ian L. Jones
Predation on the Eggs and Nestlings of Florida Scrub Jays
Ron Schaub, Ronald L. Mumme, and Glen E. Woolfenden
To Raise or to Abandon a Reduced Clutch: a Theoretical Approach Illustrated Using Ringed Turtle-doves (streptopelia Risoria)
Carel Ten Cate and Michael Taborsky
Antipredator Behavior and Breeding Associations of Bar-tailed Godwits and Whimbrels
Tore Larsentein Moldsvor
Mitochondrial Dna Phylogeographic Differentiation among Avian Populations and the Evolutionary Significance of Subspecies
R. Martin Ball. Jr. and John C. Avise
In Memoriam: James R King, 1927-1991
Glenn E. Walsberg
In Memoriam: L Richard Mewaldt, 1917-1990
C. John Ralph
In Memoriam: James Osborne Stevenson, 1908-1991
Harvey K. Nelson
In Memoriam: Heinrich Dathe, 1910-1991
Ernst Mayr
Covers
Front Matter
The Auk
Back Matter
The Auk
Short Communications
Ospreys Use Local Enhancement and Flock Foraging to Locate Prey
Stephen P. Flemming, Peter C. Smith, Norman R. Seymour, and Robert P. Bancroft
Seasonal Variation in Gene Frequencies in the House Sparrow (passer Domesticus)
John M. Bates and Robert M. Zink
Experimental Evidence for Importance of Male Parental Care in Monogamous House Wrens
L. Scott Johnson, Marilyn S. Merkle, and L. Henry Kermott
Food Storing by Mexican Chickadees and Bridled Titmice
Robert R. Hampton and David F. Sherry
Is There a Positive Relationship Between Body Size and Fecundity in Lesser Snow Geese?
E. G. Cooch, D. B. Lank, R. F. Rockwell, and F. Cooke
Ptilochronology: a Consideration of Some Empirical Results and Assumptions""
Thomas C. Grubb Jr.
Furthering Avian Conservation in Latin America
Stuart D. Strahl