- A breeding record of Spot-crowned Barbet Capito maculicoronatus in Panama
William John Adsett and Mariló C. Castro
Cotinga 40 (2018): 2-11
- A preliminary list of the birds of the foothills and southeastern buffer zone of Colonso Chalupas Biological Reserve, Ecuador
Yntze van der Hoek, Rolf Jensen, Luis Alberto Salagaje and Leonardo Ordóñez-Delgado
Cotinga 40 (2018): 12-22
- Diversidade de aves de rapina em uma paisagem fragmentada no sudoeste da Amazônia, Cacoal, Rondônia, Brasil
Thatiane Martins da Costa, Francisca Helena Aguiar-Silva, Odair Diogo da Silva e Emerson Moreira
Cotinga 40 (2018): 23-30
- Bird diversity in the seasonally dry forests of central Huallaga, Peru
Francisco A. Vásquez-Arévalo, Joaquín A. Grández-Casado, Giria E. Muñoz-Pizango, Roosevelt García-Villacorta and Giussepe Gagliardi-Urrutia
Cotinga 40 (2018): 31-43
- South Polar Skua Catharacta maccormicki in Rio Grande do Sul, southern Brazil
Nicholas W. Daudt, Alice Pereira, Maurício Tavares and Caio J. Carlos
Cotinga 40 (2018): 44-49
- Observações sobre o comportamento alimentar e dieta do crejoá Cotinga maculata no sul da Bahia, Brasil
Fernando Igor de Godoy
Cotinga 40 (2018): 50-53
- Primer registro del Negrón Costeño Melanitta perspicillata para El Salvador y Centro América
Guillermo Funes, Melvin Francisco Bonilla Navidad, Edwin Calderón, Scott Housten y Alejandro Calderón
Cotinga 40 (2018): 54-56
- The birds of San José de Payamino, Orellana, Ecuador
Stewart A. White and Javier Patiño
Cotinga 40 (2018): 57-68
- First observations of Plumbeous Vireo Vireo plumbeus in eastern Honduras
Jesse Fagan
Cotinga 40 (2018): 69-73
- Largest aggregation of Spectacled Petrel Procellaria conspicillata in Argentine waters
Javier Quiñones and Santiago Imberti
Cotinga 40 (2018): 74-78
- A Eurasian Wigeon Mareca penelope in Trinidad and Tobago: first documented record for South America
Tom Johnson
Cotinga 40 (2018): 79-80
- Two new records of Ocellated Crake Micropygia schomburgkii in the Coastal Cordillera and a review of its distribution in Venezuela
Galo Buitrón-Jurado and Hugo Rodríguez-García
Cotinga 40 (2018): 81-85
- Celeus obrieni: um ‘especialista em bambu’ forrageando em Cecropia sp.
Marco Aurélio Crozariol
Cotinga 40 (2018): 86-90
- Primeros avistamientos de Setophaga pitiayumi para la isla Cozumel, Quintana Roo, México
Héctor González C. y Tania Macouzet F.
Cotinga 40 (2018): 91
- Lincoln’s Sparrow Melospiza lincolnii: first record for Colombia and second record for South America
David P. Edwards and Brett R. Scheffers
Cotinga 40 (2018): 92-93
- Ampliación del rango de distribución del Tororoi Carimanchado Hylopezus macularius en Colombia
Wilmer A. Ramírez, Sergio Chaparro-Herrera, Ramón Carrillo López, César Arredondo y Adriana Sua-Becerra
Cotinga 40 (2018): 93-95
- Presencia del Chango Colombiano Hypopyrrhus pyrohypogaster en el departamento del Meta, Colombia
Derly Callejas Ávila y Sergio Chaparro-Herrera
Cotinga 40 (2018): 95-97
- First documented record of Ruff Calidris pugnax in Ecuador
Oscar Campbell
Cotinga 40 (2018): 97-98
- Two Harpy Eagles Harpia harpyja at high elevation in Peru
Carla J. Dove, Christopher M. Milensky, Saturnino Llactahuaman and B. Holt Thrasher
Cotinga 40 (2018): 98-100
- Primer registro del Pato Gargantilla Anas bahamensis en el departamento de La Paz, Bolivia
Omar Martínez
Cotinga 40 (2018): 100-102
- First documented record of Black-banded Owl Strix huhula for Roraima, northern Brazil
Yuri Raia Mendes, Hevana Santana de Lima, Lilia D’ark Nunes dos Santos and Lays Viturino de Freitas
Cotinga 40 (2018): 102-104
- Novos registros de ninhos do pato-mergulhão Mergus octosetaceus na região do Jalapão, Tocantins, Brasil
Marcelo O. Barbosa
Cotinga 40 (2018): 104-108
- Novos registros da forma híbrida e pareamento interespecífico entre Paroaria baeri × Paroaria gularis na região do médio rio Araguaia, Brasil
Marcelo O. Barbosa and Túlio Dornas
Cotinga 40 (2018): 108-112
- Registro documentado de taperuçu-velho Cypseloides senex em Pernambuco, Brasil
Victor Leandro, Jonathas Lins de Souza, Abraão Ricardo Tenório, Mauricio Cabral Periquito e Jozélia Maria de Souza Correia
Cotinga 40 (2018): 112-113
- Records of Fawn-breasted Tanager Pipraeidea melanonota in the Atlantic Forest of Pernambuco, north-east Brazil
Murilo José do Nascimento, Eder Aragão Neves, Admilson Gomes Conceição, Almir das Neves Araújo, Arnaldo Vitorino, Jonathas Lins, Victor Leandro-Silva and Glauco Alves Pereira
Cotinga 40 (2018): 113-114
- Segundo registro del Pibí Oriental Contopus virens para Argentina
Oscar A. Spitznagel, Flavio N. Moschione y Juan I. Areta
Cotinga 40 (2018): 114-116
