Contents
Within-season Breeding Dispersal in Prairie Warblers and Other Passerines
Wendy M. Jackson, Sievert Rohwer, and Val Nolan Jr.
The Use of Banding Recovery Data to Estimate Dispersal Rates and Gene Flow in Avian Species: Case Studies in the Red-winged Blackbird and Common Grackle
William S. Moore and Richard A. Dolbeer
Natal Dispersal of Eastern Screech-owls
James R. Belthoff and Gary Ritchison
Display Behavior of Male Calliope Hummingbirds during the Breeding Season
Staffan Tamm, Doug P. Armstrong, and Zena J. Tooze
Foods and Dietary Strategies of Prairie-nesting Ruddy Ducks and Redheads
Marc C. Woodin and George A. Swanson
Seasonal Changes in Bird Communities of the Chaparral and Blue-oak Woodlands in Central California
Michael L. Avery and Charles Van Riper III
Response of Nesting Red-tailed Hawks to Helicopter Overflights
David E. Andersen and Orrin J. Rongstad
Reproduction and Demography of the Florida Everglade (snail) Kite
Noel F. Snyder, Steven R. Bessinger, and Roderick E. Chandler
Site-related Dominance and Spacing among Winter Flocks of Black-capped Chickadees
Andre Desrochers and Susan J. Hannon
Energetics and Water Balance in Free-living Tropical Hummingbirds
Wesley W. Weathers and F. Gary Stiles
Two North American Song Populations of the Marsh Wren Reach Distributional Limits in the Central Great Plains
Donald E. Kroodsma
Reverse Mounting in Grebes
Gary L. Nuechterlein and Robert W. Storer
Nesting Success and Habitat Relationships of Burrowing Owls in the Columbia Basin, Oregon
Gregory A. Green and Robert G. Anthony
Distribution and Habitat Use of Mexican Spotted Owls in Arizona
Joseph L. Ganey and Russell P. Balda
Spatial and Temporal Patterns in the Diet of Common Ravens in Southwestern Idaho
Kathleen A. Engel and Leonard S. Young
Genetic Evidence for the Origin and Relationships of Hawaiian Honeycreepers (aves: Fringillidae)
Ned K. Johnson, Jill A. Marten, and C. John Ralph
Song Development and Territory Establishment in Nuttall's White-crowned Sparrows
Barbara B. Dewolfe, Luis F. Baptista, and Lewis Petrinovich
Holocene Records of the Antarctic Shag (phalacrocorax [notocarbo] Bransfieldensis) in Fuegian Waters
Douglas Siegel-Causey and Christine Lefevre
Effects of Urbanization on Breeding Bird Community Structure in Southwestern Desert Habitats
G. Scott Mills, John B. Dunning Jr., and John M. Mates
Geographic Variation in the Marbled Godwit and Description of an Alaska Subspecies
Daniel D. Gibson and Brina Kessel
Monophyly and Phylogeny of the Schiffornis Group (tyrannoidea)
Richard O. Prum and Wesley E. Lanyon
Book Reviews
March F. Lawton
News and Notes
The Condor
On the Rarity of Intraspecific Brood Parasitism
R. Bruce Macwhirter
Covers
Back Matter (PDF)
The Condor
Front Matter (PDF)
The Condor
Commentary
Short Communications
Night Songs in the Rufous-collared Sparrow
Stephen C. Lougheed and Paul Handford
Morphometrics, Metabolic Rate and Body Temperature of the Smallest Flightless Bird the Inaccessible Island Rail
Peter G. Ryan, Barry P. Watkins, and W. Roy Siegfried
Records of New or Little Known Birds for Nicaragua
Juan C. Martinez-Sanchez
Postovulatory Follicles as a Measure of Clutch Size and Brood Parasitism in European Starlings
E. Dale Kennedy, Philip C. Stouffer, and Harry W. Power
Regionwide Polygyny in Willow Flycatchers
James A. Sedgwick and Fritz L. Knopf
Goshawk Nest-site Characteristics in Western Montana and Northern Idaho
Gregory D. Hayward and Ronald E. Escano
Fecal Sac Removal: Do the Pattern and Distance of Dispersal Affect the Chance of Nest Predation
Kenneth E. Petit, Lisa J. Petit, and Danier R. Petit
Great Blue Heron Deaths Caused by Predation on Pacific Lamprey
Blair O. Wolf and Stephanie L. Jones