Contents
Parental Recognition of Offspring in the Cliff Swallow
Philip K. Stoddard and Michael D. Beecher
The Foraging Ecology of Peruvian Seabirds
David Cameron Duffy
The White-crowned Sparrow: Reproductive Success (1975-1980)
Lewis Petrinovich and Thomas L. Patterson
Annual Variability in the Abundance of Migrant Landbirds on Southeast Farallon Island, California
David F. Desante
The Pattern of Migration of Village Weaverbirds (ploceus Cucullatus) in Southwestern Nigeria
A. S. Adegoke
Speciation in Sapsuckers (sphyrapicus): I Genetic Differentiation
Ned K. Johnson and Robert M. Zink
The Progress of Oriole Hybridization in Kansas
J. D. Rising
The Reaction of Great Tits (parus Major) to Playback of Degraded and Undegraded Songs: the Effect of Familiarity with the Stimulus Song Type
Peter K. Mcgregor, John R. Krebs, and Laurene M. Ratcliffe
Behavior and Taxonomic Status of Grayson's Dove
Luis F. Baptista, William I. Boarman, and Paraskevas Kandianidis
Sexual Roles in the Dot-winged Antwren (microrhopias Quixensis), a Tropical Forest Passerine
Russell Greenberg and Judy Gradwohl
Variation in Incubation Period Within a Population of the European Starling
Robert E. Ricklefs and Cynthia A. Smeraski
Notes and News
The Auk
Factors Affecting the Distribution of Mallards Wintering in the Mississippi Alluvial Valley
James D. Nichols, Kenneth J. Reinecke, and James E. Hines
Nest-site Selection by the Red-tailed Tropicbird
L. Clark, R. E. Ricklefs, and R. W. Schreiber
Index to Volume 100
The Auk
Covers
Front Matter
The Auk
Back Matter
The Auk
Short Communications
Kirtland's Warbler, Victim of Its Own Rarity?
Harold F. Mayfield
Basal Metabolism of the Apapane: Comparison of Freshly Caught Birds with Long-term Captives
Wesley W. Weathers, Debra L. Weathers, and Charles Van Iii
The Role of the Rhinoceros Auklet (cerorhinca Monocerata) in Mixed-species Feeding Assemblages of Seabirds in the Strait of Juan De Fuca, Washington
Jill J. Grover and Bori L. Olla
Notes on Common and Antillean Nighthawks of the Florida Keys
Henry M. Stevenson, Eugene Eisenmann, Chester Winegarner, and Alvan Karlin
A New Subspecies of Caprimulgus Cubanensis (aves: Caprimulgidae) from the Isle of Pines, Cuba
Orlando H. Garrido
Rediscovery Of, and New Data On, Molothrus Armenti Cabanis
Armando Dugand and Eugene Eisenmann
Lek Behavior of the Lesser Bird of Paradise
Bruce Beehler
A Dusky Warbler (phylloscopus Fuscatus) on Southeast Farallon Island, California
Peter B. Pyle, David F. Desante, Robert J. Boekelheide, and Robert P. Henderson
Resting Birds Tuck Bills Toward Outside of Group
Sylvia L. Halkin
Functional Incubation in Male Barn Swallows
Gregory F. Ball
Commentary
The Capitalization of Birds' Names
Anselm Atkins