- Avian range extensions from the southern headwaters of the río Caroní, Gran Sabana, Bolívar, Venezuela
Anthony Crease
Cotinga 31 (2009): 5-19
- Records of Hudson’s Canastero Asthenes hudsoni from Rio Grande do Sul, Brazil
Kevin J. Zimmer and Andrew Whittaker
Cotinga 31 (2009): 20-22
- Pousada Rio Roosevelt: a provisional avifaunal inventory in south-western Amazonian Brazil, with information on life history, new distributional data and comments on taxonomy
Andrew Whittaker
Cotinga 31 (2009): 23-46
- Inventario de las aves del Parque Nacional El Palmar, Argentina
Germán Marateo, Hernán Povedano and Julián Alonso
Cotinga 31 (2009): 47-60
- Birds in the Parque Estadual doe Três Picos, Rio de Janeiro state, south-east Brazil
Francisco Mallet-Rodrigues and Maria Luisa Marinho de Noronha
Cotinga 31 (2009): 61-71
- A contribution to Nicaraguan ornithology, with a focus on the pine-oak ecoregion
Jeffrey K. McCrary, Wayne J. Arendt, Liliana Chavarria, Lorenzo J. López, Pablo Antonio Somarriba, Pier-Olivier Boudrault, Aura L. Cruz, Francisco José Muñoz and Donald G. Mackler
Cotinga 31 (2009): 72-78
- Observations of the enigmatic Grey Wren Thryothorus griseus from the rio Javarí, Brazil, including the first reported nest
Kevin J. Zimmer and Andrew Whittaker
Cotinga 31 (2009): 80-85
- El Doradito Oliváceo Pseudocolopteryx acutipennis en las pampas Argentinas: nuevos registros y comentarios sobre su historia natural
Ignacio Roesler
Cotinga 31 (2009): 86-89
- First North American record of Crowned Slaty Flycatcher Griseotyrannus aurantioatrocristatus, at Cerro Azul, Panama
Roger R. Robb, Dennis Arendt, Kit Larsen and Paul Sherrell
Cotinga 31 (2009): 101-103
- Comentarios sobre la presencia, voces y alimentación del Corbatita Overo Sporophila lineola a orillas de los ríos Paraná e Iguazú en Misiones, Argentina
Juan Ignacio Areta y Daniel Almirón
Cotinga 31 (2009): 108-111
- Nesting of the Tropical Parula Parula pitiayumi in eastern Ecuador
Caroline Dingle and Harold F. Greeney
Cotinga 31 (2009): 112-114
- The nest of Grey-throated Warbler Basileuterus cinereicollis
Scott Olmstead
Cotinga 31 (2009): 127
- First record of Munchique Wood Wren Henicorhina negreti in dpto. Chocó, Colombia
Herman van Oosten and Oswaldo Cortes
Cotinga 31 (2009): 128
- The nest and eggs of Sapphire Quail-Dove Geotrygon saphirina
Harold F. Greeney and Rudolphe A. Gelis
Cotinga 31 (2009): 128-129
- The nest and egg of Dusky Piha Lipaugus fuscocinereus in eastern Ecuador
Harold F. Greeney, Jose Simbaña and Rudy A. Gelis
Cotinga 31 (2009): 129-130
- Royal Sunangel Heliangelus regalis at Yankuam Lodge, Ecuador
Niels Krabbe and Fredrik Lennart Ahlman
Cotinga 31 (2009): 132
- Further observations of nesting Slaty Becard Pachyramphus spodiurus
Rudy A. Gelis, Harold F. Greeney and Eliot T. Miller
Cotinga 31 (2009): 132-134
- White-whiskered Puffbird Malacoptila panamensis, a new species for Peru
Wim ten Have
Cotinga 31 (2009): 136-137
- A new specimen of Southern Horned Curassow Pauxi unicornis from Peru
James G. Graham
Cotinga 31 (2009): 139-140
- Alagoas Antwren Myrmotherula snowi: a new locality and remarks on its conservation
Sônia Aline Roda, Glauco Alves Pereira and Sidnei de Melo Dantas
Cotinga 31 (2009): 144-146
- First breeding data for Slaty Bristlefront Merulaxis ater, in Rio de Janeiro, Brazil
Christine S. S. Bernardo and David Thorns
Cotinga 31 (2009): 146-147
- Novas informações sobre a reprodução de Veniliornis passerinus no Brasil
André de Camargo Guaraldo e Carlos Otávio Araujo Gussoni
Cotinga 31 (2009): 147-148
- Primeiro registro documentado de Aegolius harrisii para o Estado de Santa Catarina, Brasil
Nicholas Kaminski
Cotinga 31 (2009): 148-149
- Olrog’s Gull Larus atlanticus in Santa Catarina, Brazil: northernmost occurrence and first state record
José Fernando Pacheco, Joaquim Olinto Branco and Vitor de Queiroz Piacentini
Cotinga 31 (2009): 149-150
- First record of Streamer-tailed Tyrant Gubernetes yetapa in Uruguay
Diego Caballero-Sadi and Thierry Rabau
Cotinga 31 (2009): 150-151
- Primer registro de nidificación de la Mosqueta Pico Pala Todirostrum cinereum en Argentina
M. Gabriela Núñez Montellano, Gustavo Rotta y Claudio Carballo
Cotinga 31 (2009): 151-152
- Nuevos registros provinciales de Pseudocolopteryx acutipennis en Argentina
Ricardo Moller Jensen, Ignacio Roesler y Guillermo Soteras
Cotinga 31 (2009): 153-155
- New record of Austral Rail Rallus antarcticus in Argentina
Edgardo Daniel Soave, Guillermo Enrique Soave, Carlos Aquiles Darrieu and Lucas Marti
Cotinga 31 (2009): 153
- Cobb’s Wren Troglodytes cobbi foraging in penguin burrows
David Brewer
Cotinga 31 (2009): 156