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The Anserinae are a subfamily in the waterfowl family Anatidae. It includes the swans and true geese. Under alternative systematical concepts (see e.g., Terres & NAS, 1991), it is split into two subfamilies, the Anserinae contain the geese and the ducks, while the Cygninae contain the swans.
Temporal range: Middle Miocene to present
Anser anser domesticus
- Genus Cygnus – true swans: The black-and-yellow-billed swans are sometimes separated in the genus Olor.
- Genus Coscoroba – coscoroba swan
These two genera are distinct from other geese and often elevated to a subfamily of their own (Cereopsinae), or alternatively into the shelduck subfamily Tadorninae:
Some enigmatic subfossils of very large goose-like birds from the Hawaiian Islands do not appear to be moa-nalos (goose-sized dabbling ducks). They cannot be assigned to any genus living today, though most, if not all, may be fairly close to Branta:
Media related to Anserinae at Wikimedia Commons