Contents
A Classification of the Living Birds of the World Based on Dna-dna Hybridization Studies
Charles G. Sibley, Jon E. Ahlquist, and Burt L. Monroe Jr.
Notes and News
The Auk
Status Signaling is Absent Within Age-and-sex Classes of Harris' Sparrows
Wendy M. Jackson, Sievert Rohwer, and Robin L. Winnegrad
Nest-site Selection and Temporal Patterns in Habitat Use of Roseate and Common Terns
Joanna Burger and Michael Gochfeld
Site Fidelity and Survival Differences Between Two Groups of New World Red Knots (calidris Canutus)
Brian A. Harrington, John M. Hagan, and Linda E. Leddy
Forelimb Joint Mobility and the Evolution of Wing-propelled Diving in Birds
Robert J. Raikow, Lesley Bicanovsky, and Anthony H. Bledsoe
A Partial Classification of Waterfowl (anatidae) Based on Single-copy Dna
Cort S. Madsen, Kevin P. Mchugh, and Siwo R. Kloet
Radar and Visual Observations of Autumnal (southward) Shorebird Migration on Guam
Timothy C. Williams and Janet M. Williams
Evidence of Former Allopatry of the Two Color Phases of Lesser Snow Geese (chen Caerulescens Caerulescens)
F. Cooke, D. T. Parkin, and R. F. Rockwell
Natal and Breeding Dispersal in House Wrens (troglodytes Aedon)
Nancy E. Drilling and Charles F. Thompson
Evidence against Observational Learning in Storage and Recovery of Seeds by Black-capped Chickadees
Myron Charles Baker, Eric Stone, Ann Eileen Miller Baker, Robert J. Shelden, Patricia Skillicorn, and Mark D. Mantych
Red Color Bands Reduce Fledging Success in Red-cockaded Woodpeckers
John M. Hagan and J. Michael Reed
Molecular Genetic Divergence Between Avian Sibling Species: King and Clapper Rails, Long-billed and Short-billed Dowitchers, Boat-tailed and Great-tailed Grackles, and Tufted and Black-crested Titmice
John C. Avise and Robert M. Zink
100 Years Ago in the Auk
The Auk
An Early Condor-like Vulture from North America
Steven D. Emslie
Reproductive Success of Hand-reared Vs Parent-reared Cockatiels (nymphicus Hollandicus)
S. A. Myers, J. R. Millam, T. E. Roudybush, and C. R. Grau
Molt in the Annual Cycle of Canvasbacks
James R. Lovvorn and Jeb A. Barzen
Energy Expenditure in Reproductive Effort of Male and Female Killdeer (charadrius Vociferus)
Dianne H. Brunton
The Stochastic Mode of Molecular Evolution: what Consequences for Systematic Investigations?
Scott M. Lanyon
In Memoriam: Sir Charles Fleming, 1916-1987
John Warham
Editorial K Elisabeth K Pacala
Alan H. Brush
Covers
Front Matter
The Auk
Back Matter
The Auk
Short Communications
Evidence of Reproductive Error in Adoption of Nestling Eastern Bluebirds (sialia Sialis)
Jonathan H. Plissner and Patricia Adair Gowaty
Nestling Transfer in the Northern Shrike (lanius Excubitor)
Reuven Yosef and Berry Pinshow
Polygyny in the Northern Shrike (lanius Excubitor) in Israel
Reuven Yosef and Berry Pinshow
Nest Density and Population Size of Magellanic Penguins (spheniscus Magellanicus) at Cabo Dos Bahias, Argentina
Angel Capurro, Esteban Frere, Marcelo Gandini, Patricia Gandini, Tomas Holik, Victoria Lichtschein, and P. Dee Boersma
Commentaries
Progressive Analysis of Avian Vocal Repertoires with Special Reference to the Brown Noddy
Nicholas E. Collias
Female Song in Willow Flycatchers
David E. Davis
Response to D E Davis
Gilles Seutin