Contents
Demographic Parameters of a Nesting Colony of Snow Geese
D. S. Sulzbach and F. Cooke
Responses of Barn Swallows to Eggs, Young, Nests, and Nest Sites
Joseph A. Grzybowski
Guano Deposition in an Oklahoma Crow Roost
Randall E. Hicks
Recent Publications
The Condor
Anti-predator Aggression in Birds Nesting in Old Field Habitats: an Experimental Analysis
Bradley M. Gottfried
Territory Establishment in Red-winged Blackbirds: Importance of Aggressive Behavior and Experience
Ken Yasukawa
Photophase and Testicular Recrudescence in European Starlings
Robert G. Schwab and James T. Rutledge
Spacing and Orientation among Feeding Golden-crowned Sparrows
Oliver P. Pearson
The Ochre-bellied Flycatcher and the Evolution of Lek Behavior
Barbara K. Snow and D. W. Snow
Yolk Formation in Some Charadriiform Birds
T. E. Roudybush, C. R. Grau, M. R. Petersen, D. G. Ainley, K. V. Hirsch, A. P. Gilman, and S. M. Patten
Early Breeding Behavior of Lineated Woodpeckers
Lawrence Kilham and Patricia O'Brien
Commentary
The Condor
News and Notes
The Condor
The Bulletin Board
The Condor
Special Publications Sale
The Condor
Covers
Back Matter (PDF)
The Condor
Front Matter (PDF)
The Condor
Short Communications
Size and Mortality in Male Yellow-headed Blackbirds
William A. Searcy
Additional Data on Body Size as a Difference Related to Niche
Joanna Burger and J. Richard Trout
Great Horned Owl Predation on a Short-eared Owl
Cynthia K. Bluhm and E. Kevin Ward
Nesting of the White-whiskered Tree Swift in Malaya
H. Elliott Mcclure
A Congregation of Wintering Bald Eagles
R. E. Fitzner and W. C. Hanson
Food of Silvery Grebes (podiceps Occipitalis) at Lake Cuicocha, Ecuador
Susan G. Hilsenbeck
Notes on the Status of Acorn Woodpeckers in Central Mexico
Walter D. Koenig and Pamela L. Williams
Notes on Siptornis Striaticollis (furnariidae) in Peru
J. William Eley, Cary R. Craves, Theodore A. Parker, and David R. Hunter
First Nest Description for the Genus Micrastur (forest Falcons)
William J. Mader
The Great Potoo in Costa Rica
Donald R. Perry
Calls of the Great Potoo
Paul Slud
Greater Shearwater in Costa Rica
Gail Speaker Carr