NEWS .............................................................................................................................. 284
ARTICLES
THE SHINY COWBIRD (MOLOTHRUS BONARIENSIS) IN CHILE: INTRODUCTION OR DISPERSION? ITS HOSTS AND PARASITIC TRENDS. Manuel Marín. ............. 285
UROPYGIAL GLAND SIZE AND AVIAN HABITAT. Diego Montalti & Alfredo Salibián................................. 297
GENETIC VARIABILITY ESTIMATES IN THE MARAJÓ YELLOW-CROWNED AMAZON (AMAZONA OCHROCEPHALA XANTHOLAEMA) (PSITTACIDAE). Felipe Albertani, Paulo Martuscelli, Carlos Yamashita, Paulo A. Otto & Anita Wajntal. ......... 307
BIRD COMMUNITIES IN FOREST REMNANTS IN THE CITY OF MARINGÁ, PARANÁ STATE, SOUTHERN BRAZIL. Marilise Mendonça Krügel & Luiz dos Anjos. ................................................................................. 315
DIETA DE LA GAVIOTA COCINERA (LARUS DOMINICANUS) EN ZONAS COSTERAS DE LA PROVINCIA DE BUENOS AIRES, ARGENTINA. María Patricia Silva, Ricardo Bastida & Carlos Darrieu. ............. 331
BREEDING AND LIFE HISTORY OBSERVATIONS OF THE GRAY-BREASTED WOODPECKER (MELANERPES HYPOPOLIUS). David L. Leonard, Jr. .................. 341
SHORT COMMUNICATIONS
THE DIET OF THE RUFOUS-TAILED HAWK (BUTEO VENTRALIS) DURING THE BREEDING SEASON IN SOUTHERN CHILE. Ricardo Figueroa, Jaime E. Jiménez, Carlos A. Bravo & Ema S. Corales. ................. 349
FIRST NEST RECORD OF THE WHITE-THROATED ANTBIRD (GYMNOPITHYS SALVINI) AND DETAILED NEST RECORDS OF THE HAIRY-CRESTED ANTBIRD (RHEGMATORHINA MELANOSTICTA). Susan K Willson. ........................................ 353
OBSERVATIONS AT NESTS OF THE LESSER KISKADEE (PHILOHYDOR LICTOR) ON BARRO COLORADO ISLAND (REPUBLIC OF PANAMA). Andrzej Dyrcz...... 359
NOTES ON THE DIET OF THE CRIMSON-COLLARED GROSBEAK (RHODOTHRAUPIS CELAENO) IN NORTHEASTERN MEXICO. Jack Clinton Eitniear & Alvaro Aragon Tapia. ............................................ 363
BOOK REVIEWS (Edited by François Vuilleumier) .................................................... 365
INDEX TO VOLUME 11, 2000. ................................................................................... 369
REVIEWERS FOR ORNITOLOGÍA NEOTROPICAL, VOLUME 11. ...................... 379
NEWS ............................................................................................................................ 380
THE PRESIDENT’S PAGE ............................................................................................................... i
FIRST DESCRIPTION OF THE NEST OF THE BROWN-BREASTED PYGMY TYRANT (HEMITRICCUS OBSOLETUS) AND ADDITIONAL INFORMATION ON THE NESTING OF THE STRIOLATED TIT-SPINETAIL (LEPTASTHENURA. STRIOLATA). Glayson Ariel Bencke, Carla Suertegaray Fontana, Jan Karel F. Mähler Jr. & Cristian Marcelo Joenck. ................................................................................................................ 1
BIRD COMMUNITIES IN FIVE ATLANTIC FOREST FRAGMENTS IN SOUTHERN BRAZIL. Luiz dos Anjos. .................................................................................................................. 11
UNA ESPECIE EXTINTA DE PSEUDOSEISURA REICHENBACH 1853 (PASSERIFORMES: FURNARIIDAE) DEL PLEISTOCENO DE LA ARGENTINA: COMENTARIOS FILOGENÉTICOS. Eduardo P. Tonni & Jorge I. Noriega. .................. 29
DISTRIBUCIÓN ESPACIAL DE DENSIDADES DE AVES MARINAS EN LA PLATAFORMA CONTINENTAL ARGENTINA Y OCÉANO ATLÁNTICO SUR. José Luis Orgeira. ................................................. 45
COMMUNITY SIMILARITY AND ABUNDANCE OF BIRD SPECIES IN OPEN HABITATS OF A CENTRAL BRAZILIAN CERRADO. Dárius Pukenis Tubelis & Roberto Brandão Cavalcanti. ....................................................... 57
INTENSIDAD DE VISITAS COMO CONDICIONANTE DE LA RESPUESTA DEL PINGÜINO DE MAGALLANES (SPHENISCUS MAGELLANICUS) AL DISTURBIO HUMANO. Cristina Mabel Cevasco, Esteban Frere & Patricia Alejandra Gandini. ....... 75
CAMBIOS POBLACIONALES DE LOS CORMORANES (PHALACROCORAX) EN PUNTA LOBERÍA, PATAGONIA ARGENTINA. Viviana E. Malacalza & Marcelo Bertellotti. .........................................................83
BOOK REVIEWS (Edited by François Vuilleumier) ................................................................ 87
NEWS ................................................................................................................................................... 91
BIOGEOGRAPHY AND GEOGRAPHIC VARIATION OF THE ANDEAN HUMMINGBIRD TAXON BOISSONNEAUA REICHENBACH, 1854 (AVES, TROCHILIDAE). Karl-L. Schuchmann, André-A. Weller & Iris Heynen. ............................ 93
BIRDS OF JAÚ NATIONAL PARK, BRAZILIAN AMAZON: SPECIES CHECK-LIST, BIOGEOGRAPHY AND CONSERVATION. Sérgio Henrique Borges, Mario Cohn-Haft, André M. Pereira Carvalhaes, Luiza Magalli Henriques, José Fernando Pacheco & Andrew Whittaker.................................................................... 109
CONDUCTA DE GREGARISMO Y VOCALIZACIÓN DE LA COTORRA CUBANA (AMAZONA LEUCOCEPHALA). Hiram González Alonso. .................................................... 141
ANALISIS DE HÁBITAT DEL FRINGILO APIZARRADO (XENOSPINGUS CONCOLOR) EN LA COSTA SUR DEL PERÚ. Oscar González & María de los Angeles La Torre-Cuadros.............................................................. 153
NUEVOS REGISTROS DEL PETREL ATLÁNTICO (PTERODROMA INCERTA) EN OCÉANO ATLÁNTICO SUR Y ANTÁRTIDA. José Luis Orgeira..................................... 165
CARACTERÍSTICAS MORFOLÓGICAS Y DIMORFISMO SEXUAL EN LA PALOMA ANTÁRTICA (CHIONIS ALBA). Marco Favero........................................................................ 173
FIRST RECORD OF TACZANOWSKI’S TINAMOU (NOTHOPROCTA TACZANOWSKII) FOR BOLIVIA. Christopher J. Vogel, Mauricio Herrera & Manuel A. Olivera A. .............................................................. 181
EXTENSIÓN ALTITUDINAL EN LA DISTRIBUCIÓN DEL HORMIGUERO LUNULADO (GYMNOPITHIS LUNULATA) EN ECUADOR. Juan F. Freile................ 183
NEWS ................................................................................................................................................. 187
USE OF SPACE BY A PAIR OF SALVINS’S CURASSOWS (MITU SALVINI) IN NORTHWESTERN COLOMBIAN AMAZON. Juan Luis Parra, Marta Agudelo, Yaily Molina, & Gustavo Londoño............................................... 189
ECOLOGIA ALIMENTARIA DEL VARILLERO ALA AMARILLA (AGELAIUS THILIUS) EN AMBIENTES RIBEREÑOS DEL NORDESTE DE LA PROVINCIA DE BUENOS AIRES. Carlos A. Darrieu, Aníbal R. Camperi, Guillermo E. Soave & Armando C. Cicchino............................................................................................... 205
DIET AND FEEDING BEHAVIOR OF THE REDDISH-BELLIED PARAKEET (PYRRHURA FRONTALIS) IN AN ARAUCARIAFOREST IN SOUTHEASTERN BRAZIL. Giane C. Kristosch & Luiz O. Marcondes-Machado............................................... 215
ON THE NEST, EGGS, NESTLINGS, AND PARENTAL CARE OF THE SCALED ANTPITTA (GRALLARIA GUATIMALENSIS). Robert C. Dobbs, Paul R. Martin & Michael J. Kuehn................................................... 225
LA COMUNIDAD DE AVES DEL SOTOBOSQUE DE UN BOSQUE DECIDUO TROPICAL EN VENEZUELA. Carlos Verea & Alecio Solórzano...................................... 235
FORAGING AND DIET COMPOSITION OF THE BLACK-CAPPED FOLIAGE GLEANER (PHILYDOR ATRICAPILLUS). Francisco Mallet-Rodrigues........................... 255
NOTES ON NESTS AND BREEDING ACTIVITY OF FOURTEEN BIRD SPECIES FROM SOUTHWESTERN COLOMBIA. Ralf Strewe............................................................. 265
FORAGING AT ARMY ANT SWARMS BY FIFTY BIRD SPECIES IN THE HIGHLANDS OF COSTA RICA. Andrew Vallely.................................................................... 271
OBITUARIES (Edited by James Wiley) WILLIAM B. ROBERTSON, JR. James A. Kushlan..................... 277
BOOK REVIEWS (Edited by François Vuilleumier) ............................................................... 279
NEWS .................................................................................................................................................. 283
NEST SITE SELECTION BY BROWN-HOODED GULL (LARUS MACULIPENNIS), TRUDEAU’S TERN (STERNA TRUDEAUI) AND WHITE-FACED IBIS (PLEGADIS CHIVI) IN A SOUTH CHILEAN TULE MARCH. Daniela Guicking, Susanne Mickstein, Peter H. Becker, & Roberto Schlatter....................................................... 285
DISTRIBUCIÓN DE COLIBRÍES EN LA ZONA BAJA DEL CENTRO DE VERACRUZ, MÉXICO. Raúl Ortiz-Pulido & Román Díaz.................................................... 297
DNA FINGERPRINTING AND PARENTAGE IN MASKED (SULA DACTYLATRA) AND BROWN (S. LEUCOGASTER) BOOBIES. Melina Martha Baumgarten, Adriana Barzotti Kohlrausch, Cristina Yumi Miyaki, Thales Renato Ochotorena de Freitas & Aldo Mellender de Araújo.................................................. 319
NESTS AND NESTING BEHAVIOR OF SOME LITTLE KNOWN PANAMANIAN BIRDS. Daniel G. Christian........................................................................................................... 327
NEST-SITE CHARACTERISTICS AND BREEDING DENSITY OF TWO SYMPATRIC FOREST-FALCONS IN GUATEMALA. Russell Thorstrom................................................ 337
ESTACIONALIDAD Y RELACIONES CON LA ESTRUCTURA DEL HABITAT DE LA COMUNIDAD DE AVES DE PASTIZALES DE PAJA COLORADA (PASPALUM QUADRIFARIUM) MANEJADOS CON FUEGO EN LA PROVINCIA DE BUENOS AIRES, ARGENTINA. Juan Pablo Isacch & Mariano Manuel Martínez................. 345
OCORRÊNCIA DE PETREL-AZUL (HALOBAENA CAERULEA) NO LITORAL DO BRAZIL. Vanda Simone da Silva Fonseca, Maria Virginia Petry & Fábio Luís de Souza Fonseca..................................... 355
OBITUARIES (Editied by James Wiley). DON RICHARD ECKELBERRY. Tony Angell. .................................... 357
BOOK REVIEWS (Edited by François Vuilleumier) ............................................................. 361
INDEX TO VOLUME 12, 2001. ................................................................................................ 363
REVIEWERS FOR ORNITOLOGÍA NEOTROPICAL, VOLUME 12. .......................... 376
NEWS ............................................................................................................................................... 377
CLIMATIC MODELING OF THE DISTRIBUTION OF SOME PYRRHURA PARAKEETS OF NORTHWESTERN SOUTH AMERICA WITH NOTES ON THEIR SYSTEMATICS AND SPECIAL REFERENCE TO PYRRHURA CAERULEICEPS TODD, 1947. Leo Joseph & David Stockwell................................................................................. 1
USO DE HÁBITAT POR EL ÑANDÚ (RHEA AMERICANA) EN UN REFUGIO DE VIDA SILVESTRE: IMPLICANCIAS PARA LA CONSERVACIÓN Y MANEJO DE LA ESPECIE. Gisela Bazzano, Mónica B. Martella, Joaquín Navarro, Natalia Bruera, & Carlos Corbella. ............................................................ 9
BREEDING BIOLOGY OF THE LITTLE BLUE HERON (EGRETTA CAERULEA) IN SOUTHEASTERN BRAZIL. Fábio Olmos & Robson Silva e Silva....................................... 17
BIBLIOGRAFÍA COMENTADA SOBRE LOS ANÁLISIS DE EGAGRÓPILAS DE AVES RAPACES EN ARGENTINA. Ulyses F. J. Pardiñas & Sebastián Cirignoli.......... 31
THE BREDING BIOLOGY OF THE BISCUTATE SWIFT (STREPTOPROCNE BISCUTATA) IN SOUTHERN BRAZIL. Mauro Pichorim...................................................... 61
RECORD OF THE HOODED MERGANSER (LOPHODYTES CUCULLATUS) IN “LOS PETENES”, NORTHWESTERN CAMPECHE, MÉXICO. Octavio R. Rojas-Soto & Alejandro de Alba Bocanegra.................. 85
FIRST BREEDING RECORD OF THE SILVERY GREBE (PODICEPS OCCIPITALIS) IN THE BUENOS AIRES PROVINCE, ARGENTINA. Carlos A. Darrieu, Guillermo E. Soave, Marcos Juárez & Aníbal R. Camperi......... 87
CALONECTRIC DIOMEDEA, NUEVA PROCELÁRIDA PARA VENEZUELA. Gedio Marín, Jorge Muñoz, Santiago Guevara & José R. Rodríguez .............................................. 91
OBITUARIES (Edited by James Wiley). PABLO CANEVARI. Brian Harrington, Laura Payne & Heidi Luquer. ..................................................................................................................... 93
RECENT PUBLICATIONS (Edited by François Vuilleumier)............................................... 97
BOOK REVIEWS (Edited by François Vuilleumier)............................................................... 105
NEWS ................................................................................................................................................. 109
EFECTOS POSITIVOS DE LA NIDIFICACIÓN DEL MACÁ COMÚN (ROLLANDIA ROLLAND) EN UNA COLONIA DE CARACOLEROS (ROSTRHAMUS SOCIABILIS). Pablo F. Petracci & Diego Basanta................................... 113
REPRODUCTION, HABITAT USE, AND NATURAL HISTORY OF THE BLACKAND-YELLOW SILKY-FLYCATCHER (PHAINOPTILA MELANOXANTHA), AN ENDEMIC BIRD OF THE WESTERN PANAMA-COSTA RICAN HIGHLANDS. GilbertBarrantes & Bette A. Loiselle............................................................... 121
EFFECTS OF HUMAN ACTIVITIES IN THE MARINE ENVIRONMENT ON SEABIRDS ALONG THE COAST OF RIO GRANDE DO SUL, BRAZIL. Maria V. Petry & Vanda S. da S. Fonseca.................................. 137
BREEDING ECOLOGY OF THE SOCIAL (MYIOZETETES SIMILIS) AND RUSTYMARGINED (M. CAYANENSIS) FLYCATCHERS AT BARRO COLORADO ISLAND, REPUBLIC OF PANAMA. Andrzej Dyrcz......................... 143
BEHAVIOR, HABITAT, AND STATUS OF THE NOCTURNAL CURASSOW (NOTHOCRAX URUMUTUM) IN NORTHERN PERU. Theodore A. Parker III............. 153
SEX IDENTIFICATION OF PIN-TAILED MANAKINS (ILICURA MILITARIS: PIPRIDAE) USING THE POLYMERASE CHAIN REACTION AND ITS APPLICATION TO BEHAVIORAL STUDIES. Marina Anciães & Silvia Nassif Del Lama. ................................................................................................................................................... 159
BIRDS OF MONTECRISTO NATIONAL PARK, EL SALVADOR. Oliver Komar....... 167
ROOSTING BEHAVIOR OF THE SAYACA TANAGER (THRAUPIS SAYACA) IN SOUTHEASTERN BRAZIL. Yoshika Oniki & Edwin O. Willis............................................. 195
ELEVATIONAL AND WINTER RECORDS OF BIRDS ON TWO MEXICAN MOUNTAINS. Héctor Gómez de Silva........................................................................................ 197
NUEVA LOCALIDAD PARA EL GORRIÓN SERRANO (XENOSPIZA BAILEYI). Adán Oliveras de Ita & Héctor Gómez de Silva Garza........................................................................ 203
DISTRIBUTION OF NESTS OF THE BROWN BOOBY (SULA LEUCOGASTER) IN RELATION TO THE INCLINATION OF TERRAIN. Johel Chaves-Campos & Juber Torres................................................... 205
POINTS OF VIEW
LA COLECTA CIENTÍFICA EN EL NEOTRÓPICO: EL CASO DE LAS AVES DE MÉXICO. Octavio R. Rojas-Soto, Samuel López de Aquino, Luis A. Sánchez-González & Blanca E. Hernández-Baños............................ 209
OBITUARIES (Edited by James Wiley). HANS-WILHELM KOEPCKE. François Vuilleumier.......................... 215
BOOK REVIEWS (Edited by François Vuilleumier)................................................................. 219
NEWS .................................................................................................................................................. 221
BREEDING BEHAVIOR OF THE ENDANGERED HISPANIOLAN CROSSBILL (LOXIA MEGAPLAGA). Steven C. Latta, Marriah L. Sondreal & Danilo A. Mejía........... 225
EFECTOS DE DISTURBIOS EN LA REPRODUCCIÓN DEL CHARRANCITO AMERICANO (STERNA ANTILLARUM) EN ECOSISTEMAS COSTEROS DE SINALOA, NOROESTE DE MÉXICO. A. Muñoz del Viejo & X. Vega............................. 235
NULL MODELS AND RAPOPORT’S EFFECT IN NEOTROPICAL FALCONIFORMES. Carlos Eduardo Ramos de Sant’Ana, José Alexandre Felizola Diniz-Filho & Thiago F. L. V. B. Rangel...................................... 247
VARIACIÓN GEOGRÁFICA EN CRANIOLEUCA PYRRHOPHIA Y EL LÍMITE CON CRANIOLEUCA OBSOLETA (FURNARIIDAE). Santiago Claramunt............................... 255
THE BIRDS OF SEYMOUR ISLAND, ANTARTICA. Diego Montalti & Guillermo E. Soave................................... 267
RAPACES OBSERVADAS EN UN ÁREA SELVÁTICA DE SAN PEDRO, MISIONES, ARGENTINA. Sergio H. Seipke & Gustavo S. Cabanne......................................................... 273
URBAN AND FISHERY WASTE TIPS AS FOOD SOURCES FOR BIRDS IN NORTHERN COASTAL PATAGONIA, ARGENTINA. Pablo Yorio & Maricel Giaccardi................................................... 283
FIRST NEST RECORD OF THE ASH-THROATED GNATEATER (CONOPOPHAGA PERUVIANA). Susan Willson Hillman & Daniel R. Hogan..................................................... 293
FIRST DESCRIPTION OF THE NEST FOR THE BICOLORED ANTVIREO (DYSITHAMNUS OCCIDENTALIS) WITH NOTES ON ITS BEHAVIOR IN EASTERN ECUADOR. Harold F. Greeney..................................................................................................... 297
FIRST OBSERVATIONS ON THE NESTING BEHAVIOR OF THE COLOMBIAN MOUNTAIN-GRACKLE (MACROAGELAIUS SUBALARIS), A PROBABLE COOPERATIVE BREEDER. Carlos Daniel Cadena, Christian Devenish & Natalia Silva. .............................................................................. 301
DIETA DEL MILANO BLANCO (ELANUS LEUCURUS) EN ARGENTINA. Lucas M. Leveau, Carlos M. Leveau & Ulyses F. J. Pardiñas................................................................... 307
IDENTIFICACIÓN DE EGAGRÓPILAS DE AVES RAPACES EN AMBIENTES BOSCOSOS Y ECOTONALES DEL NOROESTE DE LA PATAGONIA ARGENTINA. Ana Trejo & Valeria Ojeda.............................................................................................................. 313
WING-FLASHING BEHAVIOR IN THE WHITE-CAPPED DIPPER (CINCLUS LEUCOCEPHALUS). M. Josephine Babin.................................................................................. 319
ANOTHER VALUE OF SPECIMENS IN MUSEUM COLLECTIONS. Yoshika Oniki. .............................................. 323
OBITUARIES (Edited by James Wiley). ROBIN A. HUGHES, 1934–1991. Oscar González M. ..................... 325
BOOK REVIEWS (Edited by François Vuilleumier)................................................................. 329
NEWS.................................................................................................................................................... 333
GEOGRAPHICAL VARIATION, TAXONOMY AND DISTRIBUTION OF SOME AMAZONIAN PYRRHURA PARAKEETS. Leo Joseph.......................................................... 337
FORAGING ECOLOGY OF REINTRODUCED CAPTIVE-BRED SUBADULT HARPY EAGLES (HARPIA HARPYJA) ON BARRO COLORADO ISLAND, PANAMA. Janeene M. Touchton, Yu-Cheng Hsu, & Alberto Palleroni..................................................................... 365
STATUS AND CONSERVATION OF THE AVIFAUNA OF THE YAXCHILÁN NATURAL MONUMENT, CHIAPAS, MÉXICO. Fernando Puebla-Olivares, Emir Rodríguez-Ayala, Blanca E. Hernández-Baños, & Adolfo G. Navarro S. ............................ 381
SPECIES COMPOSITION OF BIRD COMMUNITIES IN SHADE COFFEE PLANTATIONS IN THE VENEZUELAN ANDES. Jason Jones, Paolo Ramoni-Perazzi, Erin H. Carruthers, & Raleigh J. Robertson................................................................................ 397
MONITOREO DE LA DIETA POST-REPRODUCTIVA DEL PINGÜINO PAPUA (PYGOSCELIS PAPUA) EN ISLA LAURIE (ORCADAS DEL SUR, ANTARTIDA): PERIODO 1997–1999. María Paula Berón, Néstor R. Coria, & Marco Favero................ 413
OBSERVATIONS OF THE OCHRE-BREASTED (GRALLARICULA FLAVIROSTRIS) AND SLATE-CROWNED (G. NANA) ANTPITTAS IN COLOMBIA. Carlos A. Delgado-V. ....................................................................... 423
PRESENCE OF THE WHITE-THROATED HAWK (BUTEO ALBIGULA) IN THE TEMPERATE RAINFOREST OF AYSÉN, SOUTHERNMOST CHILE. Ricardo A. Figueroa Rojas, Soraya Corales Stappung, Hernaldo Saldivia Pérez, & Sergio Alvarado Orellana. ............................................... 427
MATERIAL VEGETAL FRESCO EN CÁMARAS DE CRÍA DE LA COTORRA ARGENTINA MYIOPSITTA MONACHUS (PSITTACIDAE). Rosana Aramburú, Armando Cicchino, & Enrique Bucher…............... 433
THE NEST AND EGGS OF THE MANGROVE (MAYA) VIREO (VIREO PALLENS SEMIFLAVUS). Omar A. Figueroa & Gene Albanese............................................................... 437
INDEX TO VOLUME 13, 2002. ................................................................................................... 441
NEWS .................................................................................................................................................. 461
