Contents
The Breeding Biology of an Isolated Bobolink Population in Oregon
James F. Wittenberger
Latitudinal Gradients in Colors and Patterns of Passerine Birds
Stephen F. Bailey
Alloparental Care in the Purple Gallinule
Charles O'neil Krekorian
Comparative Foraging Efficiencies of Some Montane Sunbirds in Kenya
Frank B. Gill and Larry L. Wolf
The Annual Cycle of the American Goldfinch
Alex L. A. Middleton
The Appendicular Myology of the Labrador Duck (camptorhynchus Labradorius)
Richard L. Zusi and Gregory Dean Bentz
Effects of Nesting Sparrowhawks on Nesting Tits
Timothy A. Geer
Tracheal Elongation in Birds-of-paradise
Mary H. Clench
The Effects of Timber Harvesting on Breeding Birds in a Mixed-coniferous Forest
Kathleen E. Franzreb and Robert D. Ohmart
Recent Publications
The Condor
News and Notes
The Condor
The Bulletin Board
The Condor
Index to Volume 80
The Condor
Covers
Back Matter (PDF)
The Condor
Front Matter (PDF)
The Condor
Short Communications
Effect of a New Transmission Line on Wintering Prairie Raptors
Dale W. Stahlecker
Body Temperature of a Nestling Golden Eagle
Steven Rudeen and Leon R. Powers
Predation on Vertebrates by Clark's Nutcrackers
Barry S. Mulder, Brian B. Schultz, and Paul W. Sherman
Photographic Record of the Little Stint (calidris Minuta) for Mainland North America
J. P. Myers and R. S. Greenberg
Observations on White Apapane at Hawaii Volcanoes National Park
Charles Van Riper III and Sandra G. Riper
Lapland Longspur in Southeastern Mexico
Julian C. Lee
Recent Observations on the Birds of the Sierra De La Macarena, Colombia
Thomas O. Lemke and Paul E. Certler
First Record of Curlew Sandpiper in Pero
Gary R. Graves and Manuel A. Plenge