Classification
Biota [regio]Animalia [regnum]
Chordata [phylum]
Aves [classis]
Anseriformes [ordo]
Anatidae [familia]
Branta [genus]
Genus Branta contains the following taxa:
Branta bernicla (Linnaeus, 1758) [species]
Branta leucopsis (Bechstein, 1803) [species]
Branta ruficollis (Pallas, 1769) [species]
Branta sandvicensis (Vigors, 1834) [species]