the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Chordata (phylum)
Craniata (subphylum)
Vertebrata (no rank)
Gnathostomata (superclass)
Sarcopterygii (class)
Tetrapoda (no rank)
Amniota (no rank)
Sauropsida (no rank)
Sauria (no rank)
Archosauria (no rank)
Aves (class)
Neognathae (superorder)
Anseriformes (order)
Anatidae (family)
Anas (genus)
[hide inferior taxa]
Anas capensis (species)
Anas crecca (species)
Anas falcata (species)
Anas penelope (species)
Anas platyrhynchos (species)
Anas specularioides (species)
Anas strepera (species)