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The Condor, Volume 92, Number 1 (1990)

Publication Information


Drinking Mechanisms in the Zebra Finch and the Bengalese Finch. 1-28.
J. Heidweiller, G. A. Zweers.
Water Economy of Nestling Swainson's Hawks. 29-44.
John S. Kirkley, James A. Gessasman.
Regional Correspondence Among Shrubsteppe Bird Habitats. 45-53.
Fritz L. Knopf, James A. Sedgwick, Douglas B. Inkley.
Wing-Shape Variation and Differential Timing of Migration in Dark-Eyed Juncos. 54-61.
C. Ray Chandler, Robert S. Mulvihill.
Seasonal Variation of Vascular Oxygen Transport in the Dark-Eyed Junco. 62-66.
David L. Swanson.
Incidence and Determinants of Double Brooding in Wrentits. 67-75.
Geoffrey R. Geupel, David F. Desante.
Genetic and Morphometric Differentiation in Introduced Populations of Common Chaffinches (Fringilla Coelebs) in New Zealand. 76 -88.
Allan J. Baker, Mark K. Peck, Margaret A. Goldsmith.
Mass Variation in Breeding Wood Thrushes. 89-96.
R. Kent Johnson, Roland R. Roth, John T. Paul, Jr.
Colony Attendance and Population Monitoring of Least and Crested Auklets on St. Lawrence Island, Alaska. 97-106.
John F. Piatt, Bay D. Roberts, Scott A. Hatch.
Distribution of Raptor Foraging in Relation to Prey Biomass and Habitat Structure. 107-112.
Charles R. Preston.
Old Nests as Cues for Nest-Site Selection: An Experimental Test with Red-Winged Blackbirds. 113-117.
W. James Erckmann, Less D. Beletsky, Gordon H. Orians, Torgeir Johnson, Susan Sharbaugh, Carla D'Antonio.
Absolute and Relative Pitch Production in the Song of the Black-Capped Chickadee. 118-124.
Ron Weisman, Laurene Patcliffe, Ingrid Johnsrude, T. Andrew Hurly.
Differences in Timing and Number of Molts for Baltimore and Bullock's Orioles: Implications to Hybrid Fitness and Theories of Delayed Plumage Maturation. 125-140.
Sievert Rohwer, Jo Manning.
Availability and Use of Arthropod Food Resources By Wilson's Warblers and Lincoln's Sparrows in Southeastern Wyoming. 141- 150.
Catherine M. Raley, Stanley H. Anderson.
Flock Size and Position Effects on Vigilance, Aggression, and Prey Capture in the European Starling. 151-159.
Gregory C. Keys, Lee A. Dugatkin.
Effect of El Nino-Southern Oscillation Conditions on Nestling Growth Rate in the Dark-Rumped Petrel. 160-165.
Justine B. Cruz, Felipe Cruz.
Seasonal and Age-Related Changes in Plasma Testosterone Level in Mountain White-Crowned Sparrows. 166-173.
Martin L. Morton, Linda E. Peterson, Douglas M. Burns, Noella Allan.
Parental Behavior of Cackling Canada Geese During Brood Rearing: Division of Labor Within Pairs. 174-181.
James S. Sedinger, Dennis G. Raveling.
Population Genetics and Gene Flow of the Common Tern. 182-192.
Sherman L. Burson III.
Nest-Site Selection and Nest-Cavity Characteristics of Gila Woodpeckers and Northern Flickers. 193-198.
Theodore A. Kerpez, Norman S. Smith.
Intraspecific Variation in the Hindlimb Musculature of the House Sparrow. 199-204.
Susan Berman, Maurizio Cibischino, Paul Dellaripa, Linda Montren.
Validity of Predictive Equations for Total Body Fat in Sanderlings From Different Nonbreeding Areas. 205-209.
Gonzalo Castro, J. P. Myers.
Hematology and Blood Chemistry of Wintering Common Cranes. 210-214.
M. L. Puerta, J. C. Alonso, V. Huecas, J. A. Alonso, M. Abelenda, R. Munoz-Pulido.
Effects of Time of Day and Season on Winter Bird Counts. 215-219.
Brian F. Rollfinke, Richard H. Yahner.
The Variety and Nutritional Value of Foods Consumed By Hawaiian Crow Nestlings, an Endangered Species. 220-228.
Howard F. Sakai, James R. Carpenter.
Habitat, Movements and Roost Characteristics of Montezuma Quail in Southeastern Arizona. 229-236.
Mark R. Stromberg.
Harry R. Painton Award. 267.
Book Reviews. 268-272.
March F. Lawton.
News and Notes. 273.
Information for Contributors. 275-276.

Short Communications

Descriptions of Nests, Eggs and Young of the Barred Forest-Falcon (Micrastur Ruficollis) and of the Collared Forest-Falcon (M. Semitorquatus). 237-239.
Russell K. Thorstrom, Charles W. Turley, Feliciano Gutierrez Ramirez, Beth Ann Gilroy.
Habitat Use and Relative Abundance of Migrant Shorebirds in a Western Amazonian Site. 239-242.
David C. Bolster, Scott K. Robinson.
Extra-Pair Copulations in Black Brant. 242-244.
Daniel Welsh, James S. Sedinger.
Sandpiper-Like Feeding in Black-Bellied Plovers. 245.
Dennis R. Paulson.
Alloparenting at an Eastern Screech-Owl Nest. 246-247.
Dwight G. Smith, Ed Hiestand.
Male Philopatry in Mallards. 247-248.
James O. Evrard.
Statistical Analysis of a Problem Data Set: Correlated Observations. 248-251.
Kathleen G. Beal, Harry J. Khamis.
Simultaneous Use of Nest Trees By Breeding Red-Headed and Red-Bellied Woodpeckers and European Starlings. 252-253.
Danny J. Inoold.
On Communal Roosting and Associated Winter Social Behavior of Gray-Breasted Woodpeckers. 254-255.
Paul Hendricks, Joseph R. Kmcauliffe, Alfanso Valiente-Banuet.
Florida Scrub Jay Kills a Mockingbird. 256-257.
Robert L. Curry.
Cuckoldry in an American Kestrel Triad. 257-258.
Steven R. Towers.
Female Song in the Yellow Warbler. 259-261.
Keith A. Hobson, Spencer G. Sealy.
Same-Nest Polygyny in the Barn Owl. 261-263.
Carl D. Marti.
Comparisons of the Behavior of Sage and Brewer's Sparrows in Shrubsteppe Habitats. 264-266.
John A. Wiens, Beatrice Van Horne, John T. Rotenberry.
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