Classification
Biota [regio]Animalia [regnum]
Chordata [phylum]
Aves [classis]
Anseriformes [ordo]
Anatidae [familia]
Anser [genus]
Genus Anser contains the following taxa:
Anser anser (Linnaeus, 1758) [species]
Anser fabalis (Latham, 1787) [species]