Winter Abundance Patterns of North American Kinglets (DjVu | PDF)
LARRY W. LEPTHIEN, CARL E. BOCK ,  483-485

Vocal Mimicry in the Thick-Billed Euphonia (DjVu | PDF)
EUGENE S. MORTON ,  485-487

Observations of Vocal Mimicry in the Thick-Billed Euphonia (DjVu | PDF)
J. V. REMSEN, JR., ,  487-488

Crop Contents of Rock Doves in Virginia (DjVu | PDF)
THOMAS A. PIERSON, ROBERT G. COBB, PATRICK F. SCANLON ,  489-490

A Probable Mourning X MacGillivray's Warbler Hybrid (DjVu | PDF)
SEBASTIAN T. PATTI, MARY LOUISE MYERS ,  490-491

Change in Status of Red-Cockaded Woodpecker Colonies (DjVu | PDF)
RICHARD L. THOMPSON ,  491-492

Notes on Two Species of Bolivian Birds (DjVu | PDF)
JOHN P. O'NEILL ,  492-493

Breeding Chronology and Interspecific Relations of Pied-Billed Grebes in Northern Minnesota (DjVu | PDF)
RONALD E. KIRBY ,  493-495

Growth Rate in the Monk Parakeet (DjVu | PDF)
DONALD F. CACCAMISE, PETER J. ALEXANDRO ,  495-497

Foraging Methods of the Song Thrush (DjVu | PDF)
C. J. HENTY ,  497-499

A Late Nesting Attempt by Clark's Nutcracker (DjVu | PDF)
DIANA F. TOMBACK ,  499-500

Lek Behavior of the Buff-Breasted Sandpiper (DjVu | PDF)
J. P. PREVETT, J. F. BARR ,  500-503

Sandhill Cranes Feeding on Ducklings (DjVu | PDF)
CARROLL D. LITTLEFIELD ,  503-504

Successful Parasitism of the Gary Catbird by the Brown-Headed Cowbird (DjVu | PDF)
JOAN C. WOODWARD ,  Page 504

Avian Tuberculosis in a Saw-Whet Owl (DjVu | PDF)
WAYNE J. MOLLHOFF ,  Page 505

Observations at a Cavity Nest of the Common Grackle and an Analysis of Grackle Nest Sites (DjVu | PDF)
GEORGE R. MAXWELL II, JEAN M. NOCILLY, ROBERT I. SHEARER ,  505-507

Unusual Intensity of Fighting in Ring-Necked Ducks (DjVu | PDF)
RODGER D. TITMAN, NORMAN R. SEYMOUR ,  507-508

Cedar Waxwings and Eastern Bluebirds Feeding on Winter Stoneflies (DjVu | PDF)
BENEDICT C. PINKOWSKI ,  508-509

An Incident of Blne Jay Predation on a Yellow-Rumped Warbler (DjVu | PDF)
KENNETH W. JOHNSON, JOYE E. JOHNSON ,  Page 509