Contents
Metabolism of Avian Embryos: Ontogeny and Temperature Effects in the Ostrich
Donald F. Hoyt, David Vleck, and Carol M. Vleck
Egg Weight Loss and Nest Humidity during Incubation in Two Alaskan Gulls
K. R. Morgan, C. V. Paganelli, and H. Rahn
Avian Communities in Temperate and Tropical Alder Forests
Edmund W. Stiles
Seasonal Patterns of Nesting Mortality in the Red-winged Blackbird
Donald F. Caccamise
Seasonal Trends in Summer Diet of the Lapland Longspur near Barrow, Alaska
Thomas W. Custer and Frank A. Pitelka
Multivariate Study of Morphological Variation in Galapagos and Ecuadorean Mockingbirds
Ian Abbott and I. K. Abbott
New Information on Asiatic Birds in the Aleutian Islands, Alaska
G. Vernon Byrd, John L. Trapp, and Daniel D. Gibson
Factors Affecting the Use of Hunting Sites by Ferruginous Hawks
James S. Wakeley
Phainopepla Utilization of Honey Mesquite Forests in the Colorado River Valley
Bertin W. Anderson and Robert D. Ohmart
Recent Publications
The Condor
News and Notes
The Condor
Bulletin Board
The Condor
Covers
Back Matter (PDF)
The Condor
Front Matter (PDF)
The Condor
Short Communications
Adoption of Spectacled Eider Ducklings by Artic Loons
Kenneth F. Abraham
Incubation Behavior of the Dead Sea Sparrow
Y. Yom-Tov, A. Ar, and H. Mendelssohn
An Albinistic Mountain Quail from Oregon
John A. Crawford
Behavior of a Pair of Sandhill Cranes on the Day of Nest Destruction
Carroll D. Littlefield
Cowbird Parasitism of Sage and Brewer's Sparrows
Terrell D. Rich
Corvids Using Objects to Displace Gulls from Nests
W. A. Montevecchi