Description
- The birds of Reserva Ecológica Guapiaçu (REGUA), Rio de Janeiro, Brazil
Leonardo Pimentel and Fábio Olmos
Cotinga 33 (2011): 6-22
- Vocalisations and juvenile plumage of Azure-rumped Tanager Tangara cabanisi
Knut Eisermann, Gerardo López, Jason Berry, Josué de León Lux and Andy Burge
Cotinga 33 (2011): 23-26
- Recent conservation efforts and identification of the Critically Endangered Mangrove Finch Camarhynchus heliobates in Galápagos
Birgit Fessl, Michael Dvorak, F. Hernan Vargas and H. Glyn Young
Cotinga 33 (2011): 27-33
- Is the population of Floreana Mockingbird Mimus trifasciatus declining?
Gustavo Jiménez-Uzcátegui, Washington Llerena, W. Bryan Milstead, Edison E. Lomas and David A. Wiedenfeld
Cotinga 33 (2011): 34-40
- Foothill avifauna of the upper Urubamba Valley, dpto. Cusco, Peru
Mark B. Robbins, David Geale, Barry Walker, Tristan J. Davis, Mariela Combe, Muir D. Eaton and Kyle P. Kennedy
Cotinga 33 (2011): 41-52
- Two new species for Nicaragua and other notes on the avifauna of the Atlantic Region and Paso del Istmo Biological Corridor
Luis Sandoval and Wayne J. Arendt
Cotinga 33 (2011): 53-60
- Notes on breeding by Yellow-crowned Night Heron Nyctanassa violacea in southern Brazil
Dimas Gianuca, Joaquim O. Branco and Carolus M. Vooren
Cotinga 33 (2011): 61-70
- Descrição de ninhos do pato-mergulhão Mergus octosetaceus em cavidade arbórea na região do Jalapão, Tocantins, Brasil
Marcelo de Oliveira Barbosa, Renato Torres Pinheiro e Valtécio Fernandes Carvalho
Cotinga 33 (2011): 71-75
- A pilot study of breeding White-tufted Grebes Rollandia rolland rolland at selected wetlands on the Falkland Islands, with notes on breeding ecology
André Konter
Cotinga 33 (2011): 76-79
- Range expansion of Red-breasted Blackbird Sturnella militaris in western Ecuador and notes on its contact zone with Peruvian Meadowlark S. bellicosa
Scott T. Olmstead, Alejandro Solano-Ugalde and Diego F. Cisneros-Heredia
Cotinga 33 (2011): 80-83
- First nesting record of Blue-fronted Parrotlet Touit dilectissimus with some ecological notes
Christian Olaciregui and Luis Eduardo Urueña
Cotinga 33 (2011): 84-86
- Records of Semi-collared Hawk Accipiter collaris in northern Peru
Fernando Angulo Pratolongo and Renzo P. Piana
Cotinga 33 (2011): 87-89
- First notes on the courtship behaviour of Black-throated Tody-Tyrant Hemitriccus granadensis
Esteban Botero-Delgadillo and Niels Krabbe
Cotinga 33 (2011): 90-91
- First record of Buff-necked Ibis Theristicus caudatus for Peru
Robert S. R. Williams, Maura Angelica Jurado Zevallos, Ernesto Fernandez Gamarra and Leoncio Flores Balarezo
Cotinga 33 (2011): 92-93
- Novos registros ornitológicos para a região da Serra da Canastra, Minas Gerais, Brasil
Rafael Bessa, Ricardo Parrini, Alessandro Abdala, Guy M. Kirwan, Leonardo Pimentel e Sávio Freire Bruno
Cotinga 33 (2011): 94-101
- New records of Peregrine Falcon Falco peregrinus in Minas Gerais, Brazil
Eduardo Pio M. de Carvalho Filho, Jorge Sales Lisboa, Filipe Cristovão R. da Cunha, Gustavo Diniz M. de Carvalho, Mauro Guimarães Diniz, Marcelo Ferreira de Vasconcelos, Frederico Innecco Garcia, Carlos Eduardo Alencar Carvalho, Robson Silva e Silva, Luciene Alves and Renato Soares Moreira
Cotinga 33 (2011): 102-104
- Registros inusuales de aves costeras en lagunas Altoandinas de Ecuador
Tatiana Santander G., Karen Terán, Tanya Mueces, Adriana Lara, Christian Llumiquinga y Esteban A. Guevara
Cotinga 33 (2011): 105-107
- Noteworthy records of Parulidae on Cayo Coco, Cuba
Alain Parada Isada, Erin Wiancko, Erica Nol and Dawn Burke
Cotinga 33 (2011): 108-111
- La Golondrina Tijerita Hirundo rustica sigue expandiendo su área de nidificación en Argentina
Fabricio Miguel Idoeta, Miguel Angel Roda y Ignacio Roesler
Cotinga 33 (2011): 112-114
- First record of Brown Noddy Anous stolidus for the South American Pacific coast
Carlos Camacho and Santiago Torres
Cotinga 33 (2011): 115-117
- Primer registro de la Golondrina de las Cavernas Petrochelidon fulva para Venezuela y Sur América
Fidel Escola, Rosanna Calchi, Cheyla Hernández y Clark Casler
Cotinga 33 (2011): 118-119
