Contents
Rediscovery of the Imperial Snipe in Peru
John Terborgh and John S. Weske
North Florida Sandhill Crane Populations
Lovett E. Williams Jr. and Robert W. Phillips
Passerine Foot-scutes
George A. Clark Jr.
Chick Raising Ability in Ad
David G. Ainley and Roberto P. Schlatter
Daily and Annual Time Budget of the Yellow-billed Magpie
Nicolaas A. M. Verbeek
Food Parasitism and Competition in Two Terns
Carl D. Hopkins and R. Haven Wiley
Growth and Survival of Roseate and Common Tern Chicks
Mary Lecroy and Charles T. Collins
Interspecific Bird Flocks in Tropical Highland Panama
William H. Buskirk, George V. N. Powell, James F. Wittenberger, Ruth E. Buskirk, and Thomas U. Powell
Song Variation in Sympatric Blue-winged and Golden-winged Warblers
Frank B. Gill and Bertram G. Murray Jr.
Care and Behavior of Penned Double-crested Cormorants
Gordon G. Delaronde II and Yvonne A. Greichus
Nesting Success of the Red-tailed Tropicbird on Kure Atoll
Robert R. Fleet
Periodical Literature
The Auk
Obituaries
The Auk
Notes and News
The Auk
General Notes
Common Eider and King Rail from the Dry Tortugas, Florida
Clive A. Petrovic and James King Jr.
Electrophoretic Study of Mallard Serum Proteins
Richard C. Owen and Jack Bennett
First Pomarine Jaeger Specimen from Brazil
Rodolfo Escalante
Effect of Water Depth on Diving Times in the American Coot (fulica Americana)
John C. Batulis and Salvatore F. Bongiorno
Wilson's Phalaropes Forming Feeding Association with Shovelers
W. Roy Siegfried and Bruce D. Batt
Simultaneous Migration of Sandhill Cranes in Florida
Margaret Coon Bowman and Stewart L. Whitman
Another Probable Hybrid of Larus Marinus and L Argentatus
Robert F. Andrle
Ruffed Grouse Primary Molt Chronology
William P. Wenstrom, Phillip V. Vanderschaegen, and Gordon W. Gullion
Discovery of the Nest of the Kauai Creeper
C. Robert Eddinger
Tool-use by the New Caledonian Crow (corvus Moneduloides)
Ronald I. Orenstein
Nesting of Chuck-will's-widow on Andros Island, Bahamas
Andrew Paterson
Nest-building Activity by Catbirds in Fall
Dorothy Hobson Luther
Spotted Redshank in Connecticut
Davis W. Finch and Noble S. Proctor
Covers
Front Matter
The Auk
Back Matter
The Auk