Contents
Surface-tension Feeding in Phalaropes: Discovery of a Novel Feeding Mechanism
Margaret A. Rubega and Bryan S. Obst
Covariation of Morphological and Allozyme Frequency Characters in Populations of the Rufous-collared Sparrow (zonotrichia Capensis)
Stephen C. Lougheed and Paul Handford
Biology of Cooperative-breeding Scrub Jays (aphelocoma Coerulescens) of Oaxaca, Mexico
D. Brent Burt and A. Townsend Peterson
Effects of Female Age on Reproductive Success in European Nuthatches Breeding in Natural Cavities
Bodil Enoksson
Kleptoparasitism by Kermadec Petrels, Jaegers, and Skuas in the Eastern Tropical Pacific: Evidence of Mimicry by Two Species of Pterodroma
Larry Spear and David G. Ainley
Natal Dispersal and Deferred Breeding in the Blue-footed Booby
Marcela Osorio-Beristain and Hugh Drummond
Nestling Hunger and Parental Care in Red-winged Blackbirds
Linda A. Whittingham and Raleigh J. Robertson
Common Ravens Are Attracted by Appeasement Calls of Food Discoverers When Attacked
Bernd Heinrich, John M. Marzluff, and Colleen S. Marzluff
Age-specific Fecundity in European Blackbirds (turdus Merula): Individual and Population Trends
Andre Desrochers and Robert D. Magrath
Nutrient-reserve Dynamics and Control of Clutch Size in Northern Pintails Breeding in Alaska
Frances E. Mann and James S. Sedinger
Plasma Corticosterone, Adrenal Mass, Winter Weather, and Season in Nonbreeding Populations of Dark-eyed Juncos (junco Hyemalis Hyemalis)
Christopher M. Rogers, Marilyn Ramenofsky, Ellen D. Ketterson, Val Nolan, and John C. Wingfield
Behavioral and Morphological Diversification in Sharp-tailed Sparrows (ammodramus Caudacutus) of the Atlantic Coast
Jon S. Greenlaw
Phylogeny, Biogeography, and Evolution of the Broadbills (eurylaimidae) and Asities (philepittidae) Based on Morphology
Richard O. Prum
Foraging Strategy of Wandering Albatrosses through the Breeding Season: a Study Using Satellite Telemetry
Henri Weimerskirch, Marc Salamolard, Francois Sarrazin, and Pierre Jouventin
Chick Energy Requirements and Adult Energy Expenditures of Dovekies (alle Alle)
Marek Konarzewski, Jan R. E. Taylor, and Geir W. Gabrielsen
Relationships Between Genetic Variation and Carcass Components in Wintering American Wigeons
Olin E. Rhodes Jr. and Loren M. Smith
Diet Selection in Amazonian Antwrens: Consequences of Substrate Specialization
Kenneth V. Rosenberg
In Memoriam: William George, 1925-1992
Peter Stettenheim
In Memoriam: Arthur Bernard Singer, 1917-1990
Chandler S. Robbins
Covers
Front Matter
The Auk
Back Matter
The Auk
Short Communications
Gender Identification in Birds Using Microsatellite Dna Fingerprint Analysis
Jonathan L. Longmire, Mary Maltbie, Robert W. Pavelka, Loren M. Smith, Shelly M. Witte, Oliver A. Ryder, Darrell L. Ellsworth, and Robert J. Baker
Factors Influencing Numbers of Syntopic House Sparrows and Eurasian Tree Sparrows on Farms
Pedro J. Cordero
Song Differences Between North American and European White-winged Crossbills (loxia Leucoptera)
John Elmberg
Endogenous Mass and Energy Losses in Ruffed Grouse
Christopher G. Guglielmo and William H. Karasov
A Large Temporary Roost of Common Ravens
Virginia Cotterman and Bernd Heinrich
Call Matching and Positive Assortative Mating in Red Crossbills
Jeffrey G. Groth
The Variably Plumaged Gulls of Iceland
Agnar Ingolfsson
Variably Plumaged Icelandic Herring Gulls: High Intraspecific Variation in a Founded Population
Richard R. Snell
Type Specimens and Basic Principles of Avian Taxonomy
Richard C. Banks, Steven M. Goodman, Scott M. Lanyon, and Thomas S. Schulenberg