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A large autumn concentration of swans cygnus melancoryphus


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A LARGE AUTUMN CONCENTRATION OF SWANS (CYGNUS MELANCORYPHUS AND COSCOROBA COSCOROBA) AND OTHER WATERBIRDS AT PUERTO NATALES, MAGALLANES, CHILEAN PATAGONIA, AND ITS SIGNIFICANCE FOR SWAN AND WATERFOWL CONSERVATION. Francois Vuilleumier …………………………………………………………… 1
PREDAÇÃO DE NINHOS ARTIFICIAIS EM FRAGMENTOS DE MATAS DO BRASIL CENTRAL. Celine Melo & Miguel Angelo Marini ………………………………………………………………… 7
IS THE PALM CROW, CORVUS PALMARUM (AVES: CORVIDAE), A MONOTYPIC SPECIES? Orlando H Garrido, George B. Reynard & Anuro Kirkconnell 15
A NEW SUBSPECIES OF SCLERURUS ALBIGULARIS (GRAY-THROATED LEAFTOSSER) FROM NORTHEASTERN BOLIVIA, WITH NOTES ON GEOGRAPHIC VARIATION. Andrew Kratter … 23
TOWARDS A BROADER VIEW OF NEOTROPICAL MIGRANTS: CONSEQUENCES OF A RE-EXAMINATION OF AUSTRAL MIGRATION. Leo Josepb ………………………………………… 31
EFECTOS DE LA CALIDAD DE HABITAT SOBRE EL EXITO REPRODUCTIVO DEL PINGÜINO DE MAGALLANES (SPHENISCUS MAGALLANICUS) EN CABO VIRGENES SANTA CRUZ, ARGENTINA. Patricia Gandini, Esteban Frere & Dee Boersma ……………………………………………………… 37
NIDIFICACION y HABITAT DEL PETREL DE WILSON (OCEANITES OCEANICUS) EN PUNTA CIERVA, COSTA DE DANCO, PENINSULA ANTARTICA José Luis Orgeira ……………………… 49
DISTRIBUCION DE AVES EN EL VALLE DE MAJES, AREQUIPA, PERU. Oscar E. González M. & Ernesto Málaga A. …… ………………………………………………………………………………… 57
SHORT COMMUNlCATIONS -General Biology, Faunistics, Taxonomy
THE NEST AND EGGS OF THE CHESTNUT-VENTED CONEBILL CONIROSTRUM SPECIOSUM (TEMMINCK, 1824). Rômulo Ribon &José Eduardo Simon ……………………………………… 71
DESCRnJTION OF THE YOUNG OF THE GRAY-BELLIED SPINETAIL (SYNALLAXIS CINERASCENS). Marcos R. Bornschein & Bianca L. Reinert …………………………………………………………… 73
A NEST OF THE CREAM-BELLIED GNATCATCHER, POLIOPTILA LACTEA. Edwin O. Willis & Andres Bosso ………………………………………………………………………………………………… 75
PATRONES ESTACIONALES DE ABUNDANCIA DE LA GAVIOTA COCINERA (LARUS DOMINICANUS) EN UN BASURAL PATAGONICO Y SUS RELACIONES CON EL MANEJO DE RESIDUOS URBANOS Y PESQUEROS. Maricel Giaccanii, Pablo Yorio & María Elena Lizurume 77
EFFECTS OF FIRE ON SAVANNA BIRDS IN CENTRAL BRAZIL. Roberto B. Cavalcanti & Maria Atice s. Alves ………………………………………………………………………………………………… 85
AVIAN PREDATION ON INDIVIDUAL NEOTROPICAL SOCIAL WASPS (HYMENOPTERA, VESPIDAE) OUTSIDE THEIR NESTS. Anthony Raw……………………………………………… 89
AVIAN BODY MASSES FROM THE CERRADO REGION OF CENTRAL BRAZIL. Miguel Â. Marini José C. Motta-Junior, Luis A. S. Vasconcellos & Roberto B. Cavalcanti ……………………………… 93
THE AVIFAUNA OF THE CAYOS COCHINOS, WITH NEW BREEDING RECORDS FOR HONDURAS. Gilles Seutin, Eldredge Bermingham & Sherry Thorn………………………………… 101
THE HYBRID ORIGIN OF A VENEZUELAN TROCHILID, AMAZlLIA DISTANS WETMORE & PHELPS 1956. Andre-A. Weller & Karl-L. Schuchmann ………………………………………………………… 107
INDEX TO VOLUME 7, 1996……………………………………………………………………… I-XII
NOS MEMBERSHIP LIST ………………………………………………………………………… XIII-XX


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