Contents
Breeding Behavior of the Harpy Eagle (harpia Harpyja)
Neil L. Rettig
The Energetic Consequences of Incubation for Two Passerine Species
Glenn E. Walsberg and James R. King
Notes and News
The Auk
Clutch Size Variation in the Eastern Phoebe in Southern Indiana
Harmon P. Weeks Jr.
Activity Budgets, Energy Expenditures, and Energy Intakes of Nesting Ferruginous Hawks
James S. Wakeley
Commensalism in the Little Blue Heron
James A. Kushlan
Still Another Parulid Intergeneric Hybrid (mniotilta X Dendroica) and Its Taxonomic and Evolutionary Implications
Kenneth C. Parkes
Genetic Variation and Differentiation in the Parulidae
George F. Barrowclough and Kendall W. Corbin
Complex Singing Behaviors among Cistothorus Wrens
Donald E. Kroodsma and Jared Verner
Reorientation of Nocturnal Landbird Migrants Over the Atlantic Ocean near Nova Scotia in Autumn
W. John Richardson
Feeding Habitat Use by Colonially-breeding Herons, Egrets, and Ibises in North Carolina
Thomas W. Custer and Ronald G. Osborn
Index to Volume 95
The Auk
Intraspecific Nest Parasitism in the Savannah Sparrow
Patrick J. Weatherhead and Raleigh J. Robertson
A Nesting Threesome of Lapland Longspurs
Gerard W. Beyersbergen
Diurnal Behavior of an Eurasian Woodcock (scolopax Rusticola)
Sheldon R. Severinghaus
Notes on the Standard Body Measurements of Two Populations of Herring Gulls (larus Argentatus)
William Threlfall and David D. Jewer
Individual Differences in the Head and Neck Plumage of Ruddy Turnstones (arenaria Interpres) during the Breeding Season
Peter N. Ferns
Overnight Weight Loss in Dark-eyed Juncos (junco Hyemalis)
Ellen D. Ketterson and Val Nolan Jr.
Intersong Interval and Song Pattern Variability of the Five-striped Sparrow
Kathleen Groschupf and G. Scott Mills
Crows Use Automobiles as Nutcrackers
David B. Grobecker and Theodore W. Pietsch
Egg Retrieval by Incubating White-tailed Ptarmigan
Kenneth M. Giesen
Blue-faced Boobies at an Oil Production Platform
Brent Ortego
Migrational Homing of Male Gadwalls to Breeding Grounds
Robert J. Blohm
Greater Ani (crotophaga Major) in Mexico
Storrs L. Olson
A Helper at a Tufted Titmouse Nest
Melinda F. Davis
Frugivory by Swallow-tailed Kites in Costa Rica
William H. Buskirk and Margaret Lechner
Covers
Front Matter
The Auk
Back Matter
The Auk