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The Condor Volume 92, Number 1 February, 1990 |
Water Economy of Nestling Swainson's Hawks (DjVu | PDF)
John S. Kirkley , James A. Gessasman , 29-44
Regional Correspondence Among Shrubsteppe Bird Habitats (DjVu | PDF)
Fritz L. Knopf , James A. Sedgwick , Douglas B. Inkley , 45-53
Wing-Shape Variation and Differential Timing of Migration in Dark-Eyed Juncos (DjVu | PDF)
C. Ray Chandler , Robert S. Mulvihill , 54-61
Seasonal Variation of Vascular Oxygen Transport in the Dark-Eyed Junco (DjVu | PDF)
David L. Swanson , 62-66
Incidence and Determinants of Double Brooding in Wrentits (DjVu | PDF)
Geoffrey R. Geupel , David F. DeSnte , 67-75
Genetic and Morphometric Differentiation in Introduced Populations of Common Chaffinches (Fringilla Coelebs) in New Zealand (DjVu | PDF)
Allan J. Baker , Mark K. Peck , Margaret A. Goldsmith , 76-88
Mass Variation in Breeding Wood Thrushes (DjVu | PDF)
R. Kent Johnson , Roland R. Roth , John T. Paul, Jr. , 89-96
Colony Attendance and Population Monitoring of Least and Crested Auklets on St. Lawrence Island, Alaska (DjVu | PDF)
John F. Piatt , Bay D. Roberts , Scott A. Hatch , 97-106
Distribution of Raptor Foraging in Relation to Prey Biomass and Habitat Structure (DjVu | PDF)
Charles R. Preston , 107-112
Old Nests as Cues for Nest-Site Selection: An Experimental Test with Red-Winged Blackbirds (DjVu | PDF)
W. James Erckmann , Less D. Beletsky , Gordon H. Orians , Torgeir Johnson , Susan Sharbaugh , Carla D'Antonio , 113-117
Absolute and Relative Pitch Production in the Song of the Black-Capped Chickadee (DjVu | PDF)
Ron Weisman , Laurene Patcliffe , Ingrid Johnsrude , T. Andrew Hurly , 118-124
Differences in Timing and Number of Molts for Baltimore and Bullock's Orioles: Implications to Hybrid Fitness and Theories of Delayed Plumage Maturation (DjVu | PDF)
Sievert Rohwer , Jo Manning , 125-140
Availability and Use of Arthropod Food Resources by Wilson's Warblers and Lincoln's Sparrows in Southeastern Wyoming (DjVu | PDF)
Catherine M. Raley , STanley H. Anderson , 141-150
Flock Size and Position Effects on Vigilance, Aggression, and Prey Capture in the European Starling (DjVu | PDF)
Gregory C. Keys , Lee A. Dugatkin , 151-159
Effect of El Nino-Southern Oscillation Conditions on Nestling Growth Rate in the Dark-Rumped Petrel (DjVu | PDF)
Justine B. Cruz , Felipe Cruz , 160-165
Seasonal and Age-Related Changes in Plasma Testosterone Level in Mountain White-Crowned Sparrows (DjVu | PDF)
Martin L. Morton , Linda E. Peterson , Douglas M. Burns , Noella Allan , 166-173
Parental Behavior of Cackling Canada Geese During Brood Rearing: Division of Labor Within Pairs (DjVu | PDF)
James S. Sedinger , Dennis G. Raveling , 174-181
Population Genetics and Gene Flow of The Common Tern (DjVu | PDF)
Sherman L. Burson III , 182-192
Nest-Site Selection and Nest-Cavity Characteristics of Gila Woodpeckers and Northern Flickers (DjVu | PDF)
Theodore A. Kerpez , Norman S. Smith , 193-198
Intraspecific Variation in the Hindlimb Musculature of the House Sparrow (DjVu | PDF)
Susan Berman , Maurizio Cibischino , Paul Dellaripa , Linda Montren , 199-204
Validity of Predictive Equations for Total Body Fat in Sanderlings from Different Nonbreeding Areas (DjVu | PDF)
Gonzalo Castro , J. P. Myers , 205-209
Hematology and Blood Chemistry of Wintering Common Cranes (DjVu | PDF)
M. L. Puerta , J. C. Alonso , V. Huecas , J. A. Alonso , M. Abelenda , R. Munoz-Pulido , 210-214
Effects of Time of Day and Season on Winter Bird Counts (DjVu | PDF)
Brian F. Rollfinke , Richard H. Yahner , 215-219
The Variety and Nutritional Value of Foods Consumed by Hawaiian Crow Nestlings, an Endangered Species (DjVu | PDF)
Howard F. Sakai , James R. Carpenter , 220-228
Habitat, Movements and Roost Characteristics of Montezuma Quail in Southeastern Arizona (DjVu | PDF)
Mark R. Stromberg , 229-236
SHORT COMMUNICATIONS
Descriptions of Nests, Eggs and Young of the Barred Forest-Falcon (Micrastur Ruficollis) and of the Collared Forest-Falcon (M. Semitorquatus) (DjVu | PDF)
Russell K. Thorstrom , Charles W. Turley , Feliciano Gutierrez Ramirez , Beth Ann Gilroy , 237-239
Habitat Use and Relative Abundance of Migrant Shorebirds in a Western Amazonian Site (DjVu | PDF)
David C. Bolster , Scott K. Robinson , 239-242
Extra-Pair Copulations in Black Brant (DjVu | PDF)
Daniel Welsh , James S. Sedinger , 242-244
Sandpiper-Like Feeding in Black-Bellied Plovers (DjVu | PDF)
Dennis R. Paulson , Page 245
Alloparenting at an Eastern Screech-Owl Nest (DjVu | PDF)
Dwight G. Smith , Ed Hiestand , 246-247
Male Philopatry in Mallards (DjVu | PDF)
James O. Evrard , 247-248
Statistical Analysis of a Problem Data Set: Correlated Observations (DjVu | PDF)
Kathleen G. Beal , Harry J. Khamis , 248-251
Simultaneous Use of Nest Trees by Breeding Red-Headed And Red-Bellied Woodpeckers and European Starlings (DjVu | PDF)
Danny J. Inoold , 252-253
On Communal Roosting and Associated Winter Social Behavior of Gray-Breasted Woodpeckers (DjVu | PDF)
Paul Hendricks , Joseph R. KMcAuliffe , Alfanso Valiente-Banuet , 254-255
Florida Scrub Jay Kills a Mockingbird (DjVu | PDF)
Robert L. Curry , 256-257
Cuckoldry in an American Kestrel Triad (DjVu | PDF)
Steven R. Towers , 257-258
Female Song in the Yellow Warbler (DjVu | PDF)
Keith A. Hobson , Spencer G. Sealy , 259-261
Same-Nest Polygyny in the Barn Owl (DjVu | PDF)
Carl D. Marti , 261-263
Comparisons of the Behavior of Sage and Brewer's Sparrows in Shrubsteppe Habitats (DjVu | PDF)
John A. Wiens , Beatrice Van Horne , John T. Rotenberry , 264-266
BOOK REVIEWS (DjVu | PDF)
March F. Lawton , 268-272
NEWS AND NOTES (DjVu | PDF)
Page 273
INFORMATION FOR CONTRIBUTORS (DjVu | PDF)
275-276
Cover to Cover (DjVu)
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Blair
O. Wolf, SORA Coordinator Cooper Ornithological Society |
