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The Auk 
  Volume 103, Number 4
  October, 1986
MORPHOLOGICAL AND VOCAL VARIATION ACROSS A CONTACT ZONE BETWEEN THE CHICKADEES PARUS ATRICAPILLUS AND P. CAROLINENSIS (DjVu | PDF)
MARK B. ROBBINS, MICHAEL J. BRAUN, EMILY A. TOBEY ,  655-666

EXTENSIVE PROTEIN SIMILARITY OF THE HYBRIDIZING CHICKADEES PARUS ATRICAPILLUS AND P. CAROLINENSIS (DjVu | PDF)
MICHAEL J. BRAUN, MARK B. ROBBINS ,  667-675

MITOCHONDRIAL DNA: A SOURCE OF GENETIC MARKERS FOR STUDIES OF SIMILAR PASSERINE BIRD SPECIES (DjVu | PDF)
ANDREW L. MACK, FRANK B. GILL, ROBERT COLBURN, CHRISTINA SPOLSKY ,  676-681

EGG FORMATION IN CASSIN'S AUKLET (DjVu | PDF)
LEE B. ASTHEIMER ,  682-693

100 YEARS AGO IN THE AUK (DjVu | PDF)
Page 693

FEMALE CHOICE IN MIDDENDORFF'S GRASSHOPPER-WARBLER (LOCUSTELLA OCHOTENSIS) (DjVu | PDF)
HISASHI NAGATA ,  694-700

LOW GENIC VARIATION BETWEEN BLACK DUCKS AND MALLARDS (DjVu | PDF)
C. DAVISON ANKNEY, DARRELL G. DENNIS, LISA N. WISHARD, JAMES E. SEEB ,  701-709

THE DIET OF AMERICAN ROBINS: AN ANALYSIS OF U.S. BIOLOGICAL SURVEY RECORDS (DjVu | PDF)
NATHANIEL T. WHEELWRIGHT ,  710-725

DAILY ACTIVITY PATTERNS OF SOUTH POLAR AND BROWN SKUAS NEAR PALMER STATION, ANTARCTICA (DjVu | PDF)
PAMELA J. PIETZ ,  726-736

A PHYLOGENETIC ANALYSIS OF RECENT ANSERIFORM GENERA USING MORPHOLOGICAL CHARACTERS (DjVu | PDF)
BRADLEY C. LIVEZEY ,  737-754

POPULATION ECOLOGY OF THE LONG-BILLED CURLEW (NUMENIUS AMERICANUS) IN WESTERN IDAHO (DjVu | PDF)
ROLAND L. REDMOND, DONALD A. JENNI ,  755-767

ROLE OF SIBLING AGGRESSION IN FOOD DISTRIBUTION TO NESTLING CATTLE EGRETS (BUBULCUS IBIS) (DjVu | PDF)
BONNIE J. PLOGER, DOUGLAS W. MOCK ,  768-776

FORAGING BEHAVIOR OF GENTOO AND CHINSTRAP PENGUINS AS DETERMINED BY NEW RADIOTELEMETRY TECHNIQUES (DjVu | PDF)
WAYNE Z. TRIVELPIECE, JOHN L. BENGTSON, SUSAN G. TRIVELPIECE, NICHOLAS J. VOLKMAN ,  777-781

FEMALE SITE FIDELITY AND POLYGYNY IN THE BLACKPOLL WARBLER (DENDROICA STRIATA) (DjVu | PDF)
BONITA C. ELIASON ,  782-790

DENSITY TRENDS AND RANGE BOUNDARY CONSTRAINTS OF FOREST BIRDS ALONG A LATITUDINAL GRADIENT (DjVu | PDF)
JOHN T. EMLEN, MICHAEL J. DEJONG, MICHAEL JOHN JAEGER, TIMOTHY C. MOERMOND, KURT A. RUSTERHOLZ, ROBIN P. WHITE ,  791-803

REIDENTIFICATION OF "PHALACROCORAX" SUBVOLANS BRODKORB AS THE EARLIEST RECORD OF ANHINGIDAE (DjVu | PDF)
JONATHAN J. BECKER ,  804-808

IN MEMORIAM: LESTER L. SNYDER (DjVu | PDF)
R. CHARLES LONG, JON C. BARLOW ,  809-811

IN MEMORIAM: FINN SALOMONSEN, 1909-1983 (DjVu | PDF)
F. G. COOCH ,  Page 811

IN MEMORIAM: FRANK RICHARDSON, 1913-1985 (DjVu | PDF)
TONY ANGELL ,  Page 812

SHORT COMMUNICATIONS

Dynamics of Nest Parasitism in Wood Ducks (DjVu | PDF)
BRAD SEMEL, PAUL W. SHERMAN ,  813-816

Songbird Carcasses Disappear Rapidly from Agricultural Fields (DjVu | PDF)
RICHARD BALCOMB ,  817-820

Changes in Plasma Prolactin Associated With Laying and Hatch in the Spotted Sandpiper (DjVu | PDF)
LEWIS W. ORING, ALBERT J. FIVIZZANI, MOHAMED E. EL HALAWANI ,  820-822

Composition and Quantity of Feather Sheaths Produced by White-crowned Sparrows During the Postnuptial Molt (DjVu | PDF)
MARY E. MURPHY, JAMES R. KING ,  822-825

Estimating Nest Detection Probabilities for White-winged Dove Nest Transects in Tamaulipas, Mexico (DjVu | PDF)
JAMES D. NICHOLS, ROY E. TOMLINSON, GARY WAGGERMAN ,  825-828

Diving Depths of Atlantic Puffins and Common Murres (DjVu | PDF)
ALAN E. BURGER, MARK SIMPSON ,  828-830

COMMENTARIES

The Possible Impact of Observer Bias on Some Avian Research (DjVu | PDF)
DAVID F. BALPH, H. CHARLES ROMESBURG ,  831-832

Mass or Weight: What Is Measured and What Should Be Reported? (DjVu | PDF)
JOHN W. CHARDINE ,  Page 832

Why Hummingbirds Hover: A Commmentary (DjVu | PDF)
F. REED HAINSWORTH ,  832-833

Response to F. R. Hainsworth (DjVu | PDF)
RICHARD S. MILLER ,  Page 834

The Adaptive Significance of Anting (DjVu | PDF)
PAUL R. EHRLICH, DAVID S. DOBKIN, DARRYL WHEYE ,  Page 835

ERRATUM (DjVu | PDF)
Page 835

REVIEWS (DjVu | PDF)
836-847

Report of the American Ornithologists' Union Committee for the Conservation of the Red-cockaded Woodpecker (DjVu | PDF)
J. David Ligon, Peter B. Stacey, Richard N. Conner, Carl E. Bock, Curtis S. Adkisson ,  848-855

INDEX TO VOLUME 103 (DjVu | PDF)
856-866

Front Matter (DjVu | PDF)

Back Matter (DjVu | PDF)

NOTES AND NEWS (DjVu | PDF)
681-830

Cover to Cover (DjVu)

 

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