Contents
New Aethopyga Sunbirds (aves: Nectariniidae) from the Island of Mindanao, Philippines
Robert S. Kennedy, Pedro C. Gonzales, and Hector C. Miranda Jr.
Sex Differences in the Vocalizations and Syrinx of the Collared Dove (streptopelia Decaocto)
Mechteld R. Ballintijn and Carel Ten Cate
Habitat Associations of Song Characteristics in Phylloscopus and Hippolais Warblers
Alexander V. Badyaev and Elizabeth S. Leaf
The Effects of Hatching Date and Parental Quality on Chick Growth and Creching Age in the Chinstrap Penguin (pygoscelis Antarctica): a Field Experiment
Juan Moreno, Andres Barbosa, Jaime Potti, and Santiago Merino
Does Human Intrusion Alter the Seasonal Timing of Avian Song during Breeding Periods?
Kevin J. Gutzwiller, Elizabeth A. Kroese, Stanley H. Anderson, and Charles A. Wilkins
Are Cowbird Eggs Unusually Strong from the Inside?
Jaroslav Picman
Changes in Breeding Bird Populations in North Dakota: 1967 to 1992-93
Lawrence D. Igl and Douglas H. Johnson
Sources of Variation in Waterfowl Survival Rates
David G. Krementz, Richard J. Barker, and James D. Nichols
Effects of Acute Thermal Stress on the Immune System of the Northern Bobwhite (colinu5 Virginianus)
C. B. Dabbert, R. L. Lochmiller, and R. G. Teeter
In Memoriam: Theodore a Parker Iii, 1953-1993
John M. Bates and Thomas S. Schulenberg
In Memoriam: Merrill Wood, 1908-1992
Edward H. Burtt Jr.
William Brewster Memorial Award, 1996:
Kenneth P. Able
Elliott Coues Award, 1996:
Ellen D. Ketterson
Announcement
The Auk
Covers
Front Matter
The Auk
Back Matter
The Auk
Short Communications
A Sexually Selected Paradox in the Pied Flycatcher: Attractive Males Are Cuckolded
Jan T. Lifjeld, Tore Slagsvold, Svein Dale, and Hans Ellegren
Nest-site Selection and Reproductive Success in Common Ravens
Jeffrey R. Dunk, Roger N. Smith, and Steven L. Cain
Social and Sexual Monogamy in Translocated New Zealand Robin Populations Detected Using Minisatellite Dna
Simone L. Ardern, Wei Ma, John G. Ewen, Doug P. Armstrong, and David M. Lambert
Skin from Feet of Museum Specimens as a Non-destructive Source of Dna for Avian Genotyping
Nicholas I. Mundy, Philip Unitt, and David S. Woodruff
Influence of Hatch Date Versus Maternal and Genetic Effects on Growth of Black Brant Goslings
James S. Sedinger, Mark S. Lindberg, Michael Eichholz, and Nathan Chelgren
Is the Energy Cost of Begging by Nestling Passerines Surprisingly Low?
Wesley W. Weathers, Peter J. Hodum, and David J. Anderson
Is Begging Cheap?
Simon Verhulst and Popko Wiersma
The Role of Energetic Costs in the Evolution of Begging Behavior of Nestling Passerines
John P. Mccarty