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The Auk, Volume 97, Number 4 (1980)

Publication Information
Journal: 
Auk
Year: 
1980
Volume: 
97
Issue: 
4 (October)

CONTENTS

Genetic and Phenotypic Differentiation in a Wood Warbler (Genus Dendroica) Hybrid Zone. 655-668.
George F. Barrowclough.
Feeding Territories of Brown Skuas (Catharacta Lonnbergi). 669-676.
Wayne Trivelpiece, Ronald G. Butler, Nicholas J. Volkman.
Fecundity of the Brown-Headed Cowbird in Southern Ontario. 677-683.
D. M. Scott, C. Davison Ankney.
Changes in Nutrient Reserves and Diet of Breeding Brown-Headed Cowbirds. 684-696.
C. Davison Ankney, D. M. Scott.
A Comparative Analysis of the Bill Markings of Whistling and Bewick's Swans and Out-Of-Range Occurrences of the Two Taxa. 697-703.
Mary E. Evans, William J. L. Sladen.
Notes and News. 703-831.
s.n.
Effect of Season on the Energetics, Body Composition, and Cage Activity of the Field Sparrow. 704-720.
John B. Olson, S. Charles Kendeigh.
Growth of Nestling Ipswich Sparrows in Relation to Season, Habitat, Brood Size, and Parental Age. 721-732.
Howard A. Ross.
Territory Size Differences in Relation to Reproductive Stage and Type of Intruder in Herring Gulls (Larus Argentatus). 733-741.
Joanna Burger.
Patterns in the Amino Acid Compositions of Avian Epidermal Proteins. 742-753.
Alan H. Brush.
Offspring Reduction in Macaroni and Rockhopper Penguins. 754-759.
Anthony J. Williams.
Feeding Ecology of the Barn Owl in Central Chile and Southern Spain: A Comparative Study. 760-767.
Carlos M. Herrera, Fabian M. Jaksic.
Postnatal Development of Leach's Storm-Petrel. 768-781.
Robert E. Ricklefs, Susan White, John Cullen.
Differential Perch Site Selection by Color Morphs of the Red-Tailed Hawk (Buteo Jamaicensis). 782-789.
Charles R. Preston.
Hummingbird Foraging Behavior At Malvaviscus Arboreus Var. Drummondii. 790-794.
Mary Wissink George.
Energetics of Two Wintering Raptors. 795-806.
James R. Koplin, Michael W. Collopy, Albert R. Bammann, Howard Levenson.
Crown Color and Dominance in the White-Crowned Sparrow. 807-815.
John Parsons, Luis F. Baptista.
The Insulation in Nests of Selected North American Songbirds. 816-824.
Carol Skowron, Michael Kern.
Display Rate and Speed of Nest Relief in Antarctic Pygoscelid Penguins. 825-831.
D. M.
Apostatic Selection and Kleptoparasitism in the Parasitic Jaeger: A Comment. 832-836.
Bridget L. Furness, Robert W. Furness.
Geographic Variation in Leach's Storm-Petrel. 837-853.
David G. Ainley.
Kin Selection in Rio Grande Turkeys: A Critical Assessment. 854-860.
David F. Balph, George S. Innis, Martha Hatch Balph.
Simultaneous Doubly Labeled Water (3 Hh 18 O) and Time-Budget Estimates of Daily Energy Expenditure in Phainopepla Nitens. 861-867.
Wesley W. Weathers, Kenneth A. Nagy.
Reviews. 903-922.
s.n.
Obituary. 922-923.
Ralph S. Palmer.
Index to Volume 97. 924-946.
s.n.

Short Communications

Copulatory Behavior of the American Bittern. 868-869.
Paul A. Johnsgard.
Group Foraging by Mockingbirds in a Florida Strangler Fig. 869-872.
Peter G. Merritt.
Avian Time Budgets and Distance to Cover. 872-875.
Thomas Caraco, Steven Martindale, H. Ronald Pulliam.
Forced Copulation in Captive Mallards I. Fertilization of Eggs. 875-879.
Jeffrey T. Burns, Kimberly M. Cheng, Frank Mckinney.
Sexual Development During Winter in Male American Woodcock. 879-881.
Thomas H. Roberts.
Feather Pigmentation and Abrasion: Test of a Hypothesis. 881-883.
George F. Barrowclough, Fred C. Sibley.
A New Race of Atlapetes Leucopterus, With Comments on Widespread Albinism in A. L. Dresseri (Taczanowski). 883-887.
John W. Fitzpatrick.
Cleaning/Feeding Symbiosis Between Birds and Reptiles of the Gal. 887-889.
Keith A. Christian.
First Description of the Eggs of the White-Winged Guan, Penelope Albipennis, With Notes on its Nest. 889-892.
Morris D. Williams.
Wind Direction and the Species Composition of Autumn Tv Tower Kills in Northwest Florida. 892-895.
Robert L. Crawford.
Differential Utilization of Prey Resources by Great Horned Owls and Barn Owls in Central Chile. 895-896.
Fabian M. Jaksic, Jos.
Food-Niche Relationships Between Chilean Eagles and Red-Backed Buzzards in Central Chile. 897-898.
Roberto P. Schlatter, Jos.
Stones: An Important Incubation Stimulus for Gulls and Terns. 898-899.
Malcolm C. Coulter.
Social Differences in Defecation Behavior of Great Blue Herons (Ardea Herodias). 900-901.
Range D. Bayer.
Rediscovery of the Rufous-Faced Crake (Laterallus Xenopterus). 901-902.
Philip Myers, Rick L. Hansen.
First Record of the Gadwall From the Philippines. 902.
Robert S. Kennedy, Edward C. Dickinson.
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