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COELIGENA VIOLIFE (AVES, TROCHILIDAE): A NEW HUMM INGBIRD SUBSPECIES FROM THE SOUTHERN PERUVIAN ANDES. Karl-L. Schuchmann & Thomas Züchner ......................... 247

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BIRDS OF THE UPPER CLOUD FOREST OF EL TRIUNFO, CHIAPAS, MEXICO. Héctor Gómez de Silva G., Fernando González-Garcia & Martha Patricia Casillas-Trejo ............................................................. 1

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VULNERABILITY OF RUFOUS-VENTED CHACHALACAS (ORTALIS RUFICAUDA) CRACIDAE. Angela Schmitz-Ornés ............................................................................................. 27

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ABUNDANCIA DEL TINAMÚ MANCHADO (NOTHURA MACULOSA) Y DEL TINAMÚ ALIRROJO (RHYNCHOTUS RUFESCENS) EN UNA ÁREA CINEGÉTICA DEL RIO GRANDE DO SUL (BRASIL). Renato T. Pinheiro & Germán López .............. 35

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OBSERVATIONS ON THE ABUNDANCE, SITE PERSISTENCE, HOME RANGE, FORAGING, AND NESTING OF THE PINE WARBLER ON HISPANIOLA, AND FIRST RECORD OF GROUND NESTING FOR THIS SPECIES. Steven C. Latta & Marriah L. Sondreal ........................................................... 43

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PERFIL NUTRICIONAL DE LAS PRINCIPALES ESPECIES EN LA DIETA DEL CORMORÁN (PHALACROCORAX ALBIVENTER) EN PUNTA LEÓN (CHUBUT, ARGENTINA). Leandro Gonzalez Miri & Viviana Malacalza .............................................. 55

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EFEITO DA FRAGMENTAÇÃO FLORESTAL SOBRE AVES ESCALADORAS DE TRONCO E GALHO NA REGIÃO DE LONDRINA, NORTE DO ESTADO DO PARANÁ, BRASIL. Elisiário Strike Soares & Luiz dos Anjos ................................................ 61

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SOBRE LA NECESIDAD DE ESTANDARIZAR LOS NOMBRES EN CASTELLANO Y PORTUGUÉS DE LAS AVES NEOTROPICALES. François Vuilleumier ......................... 69

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RELATIVE USE OF SECONDARY FORESTS BY CRACIDS IN CENTRAL AMAZONIA. Sérgio Henrique Borges ......................................................................................... 77

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FEEDING TACTICS OF THE AMERICAN OYSTERCATCHER (HAEMATOPUS PALLIATUS) ON MAR CHIQUITA COASTAL LAGOON, ARGENTINA. Silvina Bachmann & Mariana M. Martínez ............................................................................................... 81

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NOTES ON THE BREEDING AND ROOSTING BIOLOGY OF TROUPIALS (ICTERUS ICTERUS) IN VENEZUELA. Catherine Lindell & Carlos Bosque .................. 85

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SINGLE NESTLING CARE AND MALE ABANDONING IN VARIABLE ANTSHRIKES THAMNOPHILUS CAERULESCENS, WITH NOTES ON EXCESS ROADSIDE CLEARING. Yoshika Oniki & Edwin O. Willis ................................................. 91

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DIETA DEL HALCÓN PLOMIZO (FALCO FEMORALIS) EN EL SUDESTE DE LA PROVINCIA DE BUENOS AIRES, ARGENTINA. María Susana Bó .............................. 95

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DINAMICA POBLACIONAL DEL NEGRITO (MELOPYRRHA NIGRA) (AVES, PASSERIFORMES) EN EL ÁREA PROTEGIDA MIL CUMBRES, PINAR DEL RÍO, CUBA. Xiomara Gálvez Aguilera, Omar Pimentel Pimentel & Vicente Berovides Alvarez .................................................... 101

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NESTING OF THE RUFESCENT TIGER-HERON TIGRISOMA LINEATUM ON BARRO COLORADO ISLAND (REPUBLIC OF PANAMA). Andrzej Dyrcz ............... 105

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FIRST RECORD OF THE LEAST SEEDSNIPE THINOCORUS RUMICIVORUS IN THE ANTARCTIC. Marco Favero & María Patricia Silva ............................................................ 107

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FIRST RECORDS OF MASKED MOUNTAIN-TANAGER (BUTHRAUPIS WETMOREI) AND BLACK-BACKED BUSH-TANAGER (UROTHRAUPIS STOLZMANNI) (THRAUPIDAE) FOR NARIÑO, SOUTHWESTERN COLOMBIA. Ralf Strewe & Stefan Kreft ............................................................................ 111

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FIRST REPORT ON THE ROSE-RINGED PARAKEET (PSITTACULA KRAMERI) IN VENEZUELA AND PRELIMINARY OBSERVATIONS ON ITS BEHAVIOR. Javier Colvée Nebot ......................................... 115

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EL 22° CONGRESO INTERNACIONAL DE ORNITOLOGÍA, DURBAN, SUDÁFRICA, 16–22 DE AGOSTO DE 1998. François Vuilleumier .................................. 119

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Book reviews ...................................................................................................................................... 123

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DNA EVIDENCE CONCERNING THE IDENTITIES OF CRAX VIRIDIROSTRIS SCLATER, 1875, AND C. ESTUDILLOI ALLEN, 1977. Leo Joseph, Beth Slikas, Karen Rankin-Baransky, Goldgiv Bazartseren, Deryn Alpers & Albert Earl Gilbert ................... 129

NEST CONCEALMENT AND ITS RELATIONSHIP TO PREDATION AND REPRODUCTIVE SUCCESS IN THE MAGELLANIC PENGUIN AT ITS SOUTHERN-MOST CONTINENTAL COLONY. Patricia Gandini, Esteban Frere & Dee Boersma. ................................................................................................................... 145

DISTRIBUTION, RELATIVE ABUNDANCE, AND PREHISTORY OF BIRDS ON THE TARACO PENINSULA, BOLIVIAN ALTIPLANO. Adam M. Kent, Tom Webber & David W. Steadman. ............................................................ 151

GROWTH RATES IN THE BLACK SWIFT: TEMPERATE VERSUS TROPICAL COMPARISONS. Manuel Marín. ................................................................................................. 179

COMPARATIVE LIFE HISTORY OF COTINGAS IN THE NORTHERN PERUVIAN AMAZON. Daniel M. Brooks, Lucio Pando-Vasquez & Angel Ocmin-Petit. ..................... 193

THE WEIGHTS OF NEOTROPICAL BIRDS. François Vuilleumier. ............................... 207

NESTING OBSERVATIONS OF THE YELLOW-HEADED CARACARA IN THE CERRADO REGION OF BRAZIL. Carl A. Johansson, Eric T. Linder, Clayton M. White & Jose Carlos Lyra Fleury. ................................. 211

PESOS Y DISTRIBUCIÓN DE AVES DEL SOTOBOSQUE DEL PARQUE NACIONAL HENRI PITTIER AL NORTE DE VENEZUELA. Carlos Verea, Alecio Solorzano & Fernández Badillo. ........................................................... 217

GROWTH OF A NEOTROPICAL TYRANNID: THE CINNAMON FLYCATCHER
(PYRRHOMYIAS CINNAMOMEA). Thomas P. Ryan & Charles T. Collins. ...................... 233

FIRST RECORD OF A BARE-THROATED TIGER-HERON (TIGRISOMA MEXICANUM) NESTING ON A CLIFF LEDGE. Aaron J. Baker, Oscar A. Aguirre-Barrera & Clayton M.White. .................................... 239

BOOK REVIEWS ............................................................................................................................. 241

INDEX TO VOLUME 10, 1999 ................................................................................................... I–X

REVIEWERS FOR ORNITOLOGÍA NEOTROPICAL, VOLUME 10 ............................... XI