Greater ScaupAythya marilaGreater Scaup (Aythya marila) is a species in the genus Aythya, family Anatidae, order Anseriformes.Scientific classificationRankTaxonDomainEukaryotaKingdomAnimaliaPhylumChordataClassAvesOrderAnseriformesFamilyAnatidaeGenusAythyaSpeciesAythya marila