Anatidae, Leach, 1820

Somenzari, Marina, Amaral, Priscilla Prudente do, Cueto, Víctor R., Guaraldo, André de Camargo, Jahn, Alex E., Lima, Diego Mendes, Lima, Pedro Cerqueira, Lugarini, Camile, Machado, Caio Graco, Martinez, Jaime, Nascimento, João Luiz Xavier do, Pacheco, José Fernando, Paludo, Danielle, Prestes, Nêmora Pauletti, Serafini, Patrícia Pereira, Silveira, Luís Fábio, Sousa, Antônio Emanuel Barreto Alves de, Sousa, Nathália Alves de, Souza, Manuella Andrade de, Telino-Júnior, Wallace Rodrigues & Whitney, Bret Myers, 2018, An overview of migratory birds in Brazil, Papéis Avulsos de Zoologia 58, pp. 1-66: 35

publication ID 10.11606/1807-0205/2018.58.03

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Chloephaga picta (VAG)   : occurs from central Chile and Argentina to Tierra del Fuego and the Malvinas /Falklands. It is migratory in the south of its distribution and reaches northern Buenos Aires Province in Argentina and exceptionally Uruguay during austral winter ( Carboneras, 1992). During winter it reaches the Pampas in southern Brazil ( Azpiroz et al., 2012), where it is considered vagrant and has been recorded in the Lagoa do Peixe National Park in Rio Grande do Sul (RS) ( Bencke & Souza, 2013).

Anas acuta (VAG)   : occurs in Nearctic and Palearctic regions, and overwinters in tropical and subtropical areas of the Northern Hemisphere. It breeds mainly in Canada, Alaska, northern USA, Siberia, Russia and Scandinavia, and overwinters south as far as in northern South America, southern Europe, Sub-Saharan Africa, and southern and southeastern Asia ( Carboneras, 1992). In Brazil, it is considered vagrant and there are only a few records in Fernando de Noronha/ Pernambuco (PE) ( Sick, 1997; Silva-e-Silva & Olmos, 2006; Burgos & Olmos, 2013) and exceptionally in Rio de Janeiro (RJ) ( Nacinovic, 1991).

Anas cyanoptera (VAG)   : occurs in central western North America, Colombia, from Peru to Tierra del Fuego, and in Brazil. Populations that are more meridional fly to lower latitudes in the winter ( Carboneras, 1992). The subspecies A. c. cyanoptera   occurs from southern Peru to Tierra del Fuego, on the Malvinas /Falklands, and in southwestern, central-western and southern Brazil, but there are only few documented records in MS in July ( Nunes et al., 2008) and in RS ( Belton, 1994), where there is also a recent photograph taken in the estuary of Lagoa dos Patos in August 2009 (WikiAves, 2016).