Description
Main Papers
3 Wingbeat frequencies in free-ranging hummingbirds in Costa Rica and Ecuador Ronny Steen, Erik Olfert Kagge, Petter Lilleengen, Jon Peder Lindemann and Fred Midtgaard
9 Recuperações no Rio Grande do Sul, Brasil, de aves costeiras e marinhas anilhadas no exterior, entre 2009 e 2019 Thamara Salvagni, Derek Blaese de Amorim, Giuliano Müller Brusco, Caio José Carlos, Nicholas Winterle Daudt, Alice Pereira e Maurício Tavares
16 Aberrant plumage colorations in two suboscine families: Thamnophilidae and Rhinocryptidae Guilherme Henrique Silva de Freitas, Lílian Mariana Costa and Marcos Rodrigues
19 Records of Chaco Eagle Buteogallus coronatus from São Paulo state, south-east Brazil Vagner Cavarzere, José Roberto Pireni, Paulo Antonio Silva and Wilton Felipe Teixeira
24 Vagrant Ring-necked Duck Aythya collaris and Lesser Scaup A. affinis in French Guiana and Suriname Thomas R. H. Kerkhove, Kévin Pineau, Carl Beel, Olivier Claessens and Johan Ingels†
28 Hunting behaviour of Southern Caracara Caracara plancus on medium-sized birds Fernando Igor de Godoy, Arthur Macarrão and Julio César Costa
31 New ornithological records for Serra do Cipó region, southern Espinhaço Range, Minas Gerais, Brazil Lílian Mariana Costa, Guilherme Henrique Silva de Freitas and Marcos Rodrigues
37 A record of House Sparrow Passer domesticus from Cocha Cashu Biological Station, Manu National Park, Madre de Dios, Peru Blaine H. Carnes and Ari E. Martínez
39 Ensamblaje de aves en el encinar de Manuel Lazo, Sandino, Pinar del Río, Cuba Katiuska Izquierdo, Roberto Varela, Angélica Cáceres y Carlos Abel Márquez
44 Primer registro del Vuelvepiedras Oscuro Arenaria melanocephala en Nicaragua Orlando Jarquín, Salvadora Morales, Erika Reyes y Martín Vallecillo
47 First nesting records of Lyre-tailed Nightjar Uropsalis lyra in Argentina with notes on its breeding biology Giselle Mangini, Facundo Ariel Gandoy, Freddy Burgos-Gallardo, Carlos Otávio Araujo Gussoni and Alex Mesquita
52 First description of the nest of White-throated Barbtail Premnoplex tatei Laura L. Hernández C., J. Camilo Azpúrua, Jhonathan E. Miranda, Harold F. Greeney and Jorge L. Pérez-Emán
56 First record of Mexican Whip-poor-will Antrostomus arizonae in Nicaragua Jack P. Hruska, Jacob C. Cooper and Mark B. Robbins
58 A bat (Chiroptera) as prey of the Mottled Owl Ciccaba virgata in Belize Tom W. Brown
61 Datos sobre la biología reproductiva de la Golondrina Tijerita Hirundo rustica y registros novedosos de nidificación en la provincia de San Luis y suroeste de Córdoba, Argentina Cristian Torres y Pablo Brandolin
66 Aportes al conocimiento de la biología reproductiva, dieta y comportamiento del Hocó Colorado Tigrisoma lineatum en Argentina Lorena Vanesa Sovrano, Silvia Alejandra Regner y Adolfo Héctor Beltzer
69 Registros do cisqueiro Clibanornis dendrocolaptoides em fragmentos florestais no norte do Rio Grande do Sul, Brasil Carlos Eduardo Agne e Jonas Claudiomar Kilpp
73 Observations on foraging behaviour of Rufous-headed Woodpecker Celeus spectabilis in the Ecuadorian Amazon Giselle Mangini and Oliver Thomas
77 A preliminary bird list from Río Luis, Veraguas province, provides further insight into an avian suture zone in Caribbean Panama Jessica F. McLaughlin, Jorge L. Garzón, Oscar G. López Ch. and Matthew J. Miller
82 Aves de Mámbita: lista de especies y nuevos registros en la vertiente oriental de la Cordillera Oriental, Cundinamarca, Colombia Sergio Chaparro-Herrera, Néstor Espejo, Andrea Lopera-Salazar, Juan Felipe León León, Sergio Danilo Santos Díaz y Natali Páez Rodríguez
101 First documented record of Flame-crowned Manakin Heterocercus linteatus in Peru, with notes on moult and habitat Wenyi Zhou, Marilyn Solís Chalco, Christopher Tobias Ketola and Christopher Kirkby
Short Communications
104 Distribución del Guardacaminos Golondrina Uropsalis segmentata en Colombia, y nuevos registros para los departamentos de Huila y Putumayo Angie P. Penagos y Brayan Coral-Jaramillo
106 First record of female dispersal distance in Club-winged Manakin Machaeropterus deliciosus Nicole Büttner and C. Dustin Becker
108 The nest and nestlings of Riparian Antbird Cercomacroides fuscicauda in eastern Ecuador Harold F. Greeney and Willan Germán Poveda V.
110 Primer registro de anidación del Loro Mejilla Naranja Pyrilia barrabandi Miguel Ángel Montenegro A. y Mauricio Herrera
113 First record of Nazca Booby Sula granti for Chile Michael G. Pennington, David S. Chilcott, D. John Rickards and Douglas Vipond
114 First record of Brown Pelican Pelecanus occidentalis in Chile David Vander Pluym
114 Nova localidade da águia-solitária Buteogallus solitarius para o Brasil Gabriel Augusto Leite, Thiago Bonato Carvalhido, Leopoldo Pivovar Plotecya, Paulo José Silva, Carlos Hartur Ribeiro Noia e Gustavo Magnago
116 New locality for Short-billed Honeycreeper Cyanerpes nitidus in the Guiana Shield Iubatã Paula de Faria and William Souza de Paula
117 Registro del Rabicano Menor Stigmatura napensis en isla de Mamo, tramo inferior del río Orinoco, Venezuela Rosauro Navarro R. y Daniel Müller
119 Registro documentado de caimão-de-Allen Porphyrio alleni para o Brasil Gabriel Scaldaferro Bonfa e Leopoldo Pivovar Plotecya
120 First records of Glaucous-blue Grosbeak Cyanoloxia glaucocaerulea in central Brazil Pedro Diniz, Desirée M. Ramos, João Paulo Baldoni, Alexandre de Souza Portella and Rafael Monteiro Virgílio de Carvalho
121 New information concerning parental care in Salvadori’s Antwren Myrmotherula minor Arthur Monteiro Gomes
122 Interactions between Least Grebe Tachybaptus dominicus and a family of Brazilian Mergansers Mergus octosetaceus in Serra da Canastra National Park, Brazil Sávio Freire Bruno, Daphnne Chelles Marins, Carolline Zatta Fieker and Matheus Gonçalves dos Reis
124 First documented record of hybridisation between Red-crested Finch Coryphospingus cucullatus and Pileated Finch C. pileatus in São Paulo, Brazil Marcelo Jordani Feliti, Cauê Rosetto Reis and Gabriel Magalhães Tavares
126 Breeding records of Black-fronted Piping Guan Aburria jacutinga in coastal Paraná, southern Brazil Gabriel De La Torre, Elvira De Bastiani, Rafael Fratoni, Fernando Freitas and Luciano Breves
