Aythya americana


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Noun1.Aythya americana - North American diving duck with a grey-and-black body and reddish-brown headAythya americana - North American diving duck with a grey-and-black body and reddish-brown head
duck - small wild or domesticated web-footed broad-billed swimming bird usually having a depressed body and short legs
Aythya, genus Aythya - canvasback; redhead; pochard; etc.
References in periodicals archive ?
De las 24 especies registradas se tiene un total de ocho aves migratorias (Branta bernicla, Aythya americana, Aythya affinis, Pelecanus erythrorhynchos, Tringa semipalmata, Numenius americanus, Limosa fedoa y Larus delawarensis) que corresponden al 38% del total; y las 16 especies restantes (62%) se consideran residentes ya que estan presentes todo el ano.
Dendritobilharzia species have been reported from avian hosts including Aix sponsa, Anas creca, Anas discors, Anas platyrhynchos, Anas querquedula, Anas rhynchotis, Anas superciliosa superciliosa, Aythya affinis, Aythya americana, Aythya ferina, Aythya novaeseelandiae, Bucephala albeola, Bucephala clangula, Cygnus olor, Cygnus atratus, Cygnus columbianus, Mergus merganser, Mergus serrator, Nettion crecca and Tadorna variegate from Poland (Sulgostowska, 1972; Khalifa, 1976), New Zealand (Rind, 1989), North America (Ulmer and Vande Vusse, 1970), Brazil (Freitas and Costa, 1972), Czech Republic (Kalarova et al.
Both bones are too large for Anas acuta, A clypeata, A Americana, Aythya americana and A.