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The Auk 
  Volume 89, Number 4
  October, 1972
ABERRANT SEXUAL BEHAVIOR IN THE SOUTH AFRICAN OSTRICH (DjVu | PDF)
E. G. FRANZ SAUER ,  717-737

OPERANT CONDITIONING IN THE COMMON CROW (CORVUS BRACHYRHYNCHOS) (DjVu | PDF)
ROBERT W. POWELL ,  738-742

POLYANDRY IN THE AMERICAN JAÇANA (JACANA SPINOSA) (DjVu | PDF)
DONALD A. JENNI, GERALD COLLIER ,  743-765

POPULATION ESTIMATES OF BREEDING BIRDS IN NORTH DAKOTA (DjVu | PDF)
ROBERT E. STEWART, HAROLD A. KANTRUD ,  766-788

THE BREEDING BIOLOGY OF THE BLACK-LEGGED KITTIWAKE IN NEWFOUNDLAND (DjVu | PDF)
JOHN ERNEST MAUNDER, WILLIAM THRELFALL ,  789-816

THE LUNG AND AIR-SAC SYSTEM OF THE COMMON GRACKLE (DjVu | PDF)
GERRIT P. KLOEK, CLARK L. CASLER ,  817-825

LATITUDINAL VARIATION IN BREEDING PRODUCTIVITY OF THE ROUGH-WINGED SWALLOW (DjVu | PDF)
ROBERT E. RICKLEFS ,  826-836

NEST SUCCESS AND AGE-SPECIFIC MORTALITY IN TRAILL'S FLYCATCHERS (DjVu | PDF)
LARRY C. HOLCOMB ,  837-841

THE IMPACT OF SOME NORTH AMERICAN MIGRANTS AT FRUITING TREES IN PANAMA (DjVu | PDF)
CHARLES F. LECK ,  842-850

A NEW METHOD TO SEPARATE IMMATURE AND ADULT HUMMINGBIRDS (DjVu | PDF)
FERNANDO I. ORTIZ-CRESPO ,  851-857

EFFECT OF A CONSPECIFIC ON NEST BUILDING LOCATION IN THE ZEBRA FINCH (DjVu | PDF)
KATRI BRUEN, D. W. DUNHAM ,  858-862

A GENETIC ANALYSIS OF LESSER SNOW GOOSE FAMILIES (DjVu | PDF)
F. COOKE, P. J. MIRSKY ,  863-871

REPORT OF THE COMMITTEE ON CONSERVATION 1971-72 (DjVu | PDF)
872-878

GENERAL NOTES

Cowbird Parasitism on the White-crowned Sparrow and Wren-tit in the San Francisco Bay Area (DjVu | PDF)
LUIS FELIPE BAPTISTA ,  879-882

Two Bird Specimens Showing Abnormalities of the Quadrate (DjVu | PDF)
P. J. K. BURTON ,  882-885

Palm Warbler in Guerrero and Comments on Audubon's Warbler in Costa Rica (DjVu | PDF)
JOHN P. HUBBARD ,  885-886

Field Sparrow uses Abandoned Nest for August Brood (DjVu | PDF)
PIERRE N. ALLAIRE ,  Page 886

A New Owl from the Eocene of Wyoming (DjVu | PDF)
LARRY D. MARTIN, CRAIG C. BLACK ,  887-888

Notes on Rare and Previously Unreported Birds from Ecuador (DjVu | PDF)
DAVID W. NORTON, GUSTAVO ORCÉS V., ERNST SUTTER ,  889-894

Two Avian Species New to Paraguay (DjVu | PDF)
LESTER L. SHORT ,  Page 895

A Wheatear on Southeast Farallon Island, California (DjVu | PDF)
DAVID A. MANUWAL, T. JAMES LEWIS ,  Page 895

Winter Dormitory of the Roadrunner, Geococcyx californicus, in west Texas (DjVu | PDF)
MICHAEL KENT RYLANDER ,  Page 896

Herons Leaving the Water to Defecate (DjVu | PDF)
HARRY F. RECHER, JUDY A. RECHER ,  896-897

Concerning Malacurus Obsoletus Reinhardt (DjVu | PDF)
FINN SALOMONSEN ,  Page 898

First Record of Painted Redstart (Setophaga Picta) for Canada (DjVu | PDF)
J. MURRAY SPEIRS, EDGERTON PEGG ,  Page 898

REVIEWS (DjVu | PDF)
899-915

PERIODICAL LITERATURE (DjVu | PDF)
916-939

OBITUARIES (DjVu | PDF)
939-941

NOTES AND NEWS (DjVu | PDF)
941-942

INDEX TO VOLUME 89 (DjVu | PDF)
943-966

Front Matter (DjVu | PDF)

Back Matter (DjVu | PDF)

Cover to Cover (DjVu)

 

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