Contents
Speciation in Sapsuckers (sphyrapicus): Iii Mitochondrial-dna Sequence Divergence at the Cytochrome-b Locus
Carla Cicero and Ned K. Johnson
Humidity Levels in Pied Flycatcher Nests Measured Using Capsule Hygrometers
Michael D. Kern and Richard J. Cowie
Predictive Approaches to Habitat Quantification: Dark-rumped Petrels on Haleakala, Maui
Charles A. Brandt, Julia K. Parrish, and Cathleen N. Hodges
Nest-site Selection by Roseate Terns and Common Terns in the Azores
Jaime A. Ramos and Adrian J. Del Nevo
Estimation of Lean and Lipid Mass in Shorebirds Using Total-body Electrical Conductivity
James E. Lyons and Susan M. Haig
Vocalizations and Other Stimuli that Elicit Gaping in Nestling Black-capped Chickadees (parus Atricapillus)
Janine R. Clemmons
Long-term Population Trends of Colonial Wading Birds in the Southern United States: the Impact of Crayfish Aquaculture on Louisiana Populations
Bruce E. Fleury and Thomas W. Sherry
Comments on the Status of Revived Old Names for Some North American Birds
Richard C. Banks and M. Ralph Browning
Song Mimicry and Association of Brood-parasitic Indigobirds (vidua) with Dybowski's Twinspot (eustichospiza Dybowskii)
Robert B. Payne and Laura L. Payne
Effects of Female Choice and Copulations Away from Colony on Fertilization Success of Male Montezuma Oropendolas (psarocolius Montezuma)
Michael S. Webster
Phylogenetic Relationships of the Zigzag Heron (zebrilus Undulatus) and White-crested Bittern (tigriornis Leucolophus) Estimated by Dna-dna Hybridization
Frederick H. Sheldon, Kevin G. Mccracken, and Keeley D. Stuebing
Habitat Use and Selectivity by the Brown Kiwi (apteryx Australis Mantelli) in a Patchy Environment
Barbara Taborsky and Michael Taborsky
The Debate Over Species Concepts and Its Implications for Ornithology
Robert M. Zink and Mary C. Mckitrick
Immigration in a Small Population of Snow Geese
Stephen R. Johnson
Effects of Handicapping on Female Condition and Reproduction in Tree Swallows (tachycineta Bicolor)
David W. Winkler and Paul E. Allen
Genetic and Environmental Factors Influencing Clutch Size in Equatorial and Temperate Zone Stonechats (saxicola Torquata Axillaris and S T Rubicola): an Experimental Study
Eberhard Gwinner, Sibylle Konig, and Chris S. Haley
In Memoriam: Fred J Pierce, 1902-1992
Peter C. Petersen
In Memoriam: John Farrand, Jr, 1937-1994
Francois Vuilleumier
Announcement
The Auk
Covers
Front Matter
The Auk
Back Matter
The Auk
Short Communications
Reliability of the Breeding Bird Survey: Effects of Restricting Surveys to Roads
Jonathan Bart, Matthias Hofschen, and Bruce G. Peterjohn
Avian Premaxilla and Tarsometatarsus from the Uppermost Cretaceous of Montana
Andrzej Elzanowski and Michael K. Brett-Surman
Forest Fragmentation and Nest Predation: Are Experiments with Japanese Quail Eggs Misleading?
David G. Haskell
A Prairie Warbler with a Conspecific and Heterospecific Song Repertoire
Paul R. Martin, James R. Fotheringham, and Raleigh J. Robertson
Unusual Metabolic Shifts in Fasting Hummingbirds
Jose Guilherme Chaui-Berlinck and Jose Eduardo P.W. Bicudo
Consumption and Caching of Food in the Northwestern Crow (corvus Caurinus)
Tanya Saunders and Ron Ydenberg
A Saline-flushing Technique for Determining the Diet of Seed-eating Birds
James P. Gionfriddo, Louis B. Best, and Bret J. Giesler
Intersexual Comparison of Plasma Osmolytes, Kidney Size, and Glomerular Number and Size in Pekin Ducks (arias Platyrhynchos)
Maryanne R. Hughes, Eldon J. Braun, and Darin C. Bennett
Method for Sexing Fledglings in Cory's Shearwaters and Comments on Sex-ratio Variation
Vincent Bretagnolle and Jean-Claude Thibault
Responses of Snow Geese to Artificially Induced Hatching Asynchrony and Increased Clutch Size
Gregory J. Robertson, Megan A. Owen, and R. F. Rockwell
Status and Habitat Area Requirements of the Veery in Illinois
James R. Herkert
First Nesting Record of the Tamarugo Conebill (conirostrum Tamarugense)
Cristian F. Estades and Maria V. Lopez-Calleja
Body Pterylosis of Woodcreepers and Ovenbirds (dendrocolaptidae and Furnariidae)
Mary Heimerdinger Clench
Conservation Commentary: Ornithology and the National Biological Survey
Stanley E. Senner and Susan R. Drennan