GEOGRAPHICAL DlSTRIBUTION AND SYMPATRY OF TUFTED AND PLAIN-MANTLED TIT-SPINETAILS (LEPTASTHENURA PLATENSIS AND LEPTASTHENURA AEGITHALOIDES) IN ARGENTINA. (PDF)
Victor R. Cueto, Javier Lopez de Casenave & Luis Marone , 113-120

DlSTRIBUTION AND DRY-SEASON ECOLOGY OF PFRIMER'S CONURE PYRRHURA PFRIMERI, WITH A REAPPRAISAL OF BRAZILIAN PYRRHURA “LEUCOTIS”. (PDF)
Fábio Olmos, Paulo Martuscelli & Robson Silva e Silva , 121-132

BEHAVIOR OF INDIVIDUALS AND SOCIAL INTERACTIONS OF THE RED-FRONTED MACAW ARA RUBROGENYS IN THE WILD DURING THE MIDDAY REST. (PDF)
Elin Pitter & Mette Bohn Christiansen , 133-143

AVIFAUNAL COMPOSITION, SPECIES RICHNESS, AND STATUS IN THE TIBAGI RIVER BASIN, PARANA STATE, SOUTHERN BRAZIL. (PDF)
Luiz dos Anjos, Karl-L. Schuchmann & Ralph Berndt , 145-173

BRONZED COWBIRD HOSTS: NEW RECORDS, TRENDS IN HOST USE, AND COST OF PARASITISM. (PDF)
Spencer G. Sealy, ]ulio E. Sánchez, Rafael G. Campos R. & Manuel Marin , 175-184

VARIATION IN CAPTURE RATES OF UNDERSTORY BIRDS IN EL REY NATIONAL PARK, NORTHWESTERN ARGENTINA. (PDF)
John G. Blake & Mercedes Rougès , 185-193

AN OVERVIEW OF FIELD GUIDES TO NEOTROPICAL BIRDS WITH REMARKS ON THEIR ROLE IN THE DEVELOPMENT OF NEOTROPICAL ORNITHOLOGY. (PDF)
François Vuilleumier , 195-236

SHORT COMMUNlCATIONS — General Biology, Faunistics, Taxonomy