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The International Ornithological Committee (IOC) recognizes these 174 Anatidae species distributed among 53 genera, 32 of which have only one species. Eight species on the list are extinct; they are marked (E). [1] This list is presented according to the IOC taxonomic sequence and can also be sorted alphabetically by common name and binomial.
The related and extant families, Anhimidae and Anatidae (ducks, geese and swans), contain all the other taxa. [ 1 ] A cladistic study of the morphology of waterfowl found that the magpie goose was an early and distinctive offshoot, diverging after screamers and before all other ducks, geese and swans.
The species name is the Latin word ferina, meaning "wild game" (derived from ferus, meaning "wild"). [10] The common name "pochard" was first applied to the duck in the mid-1500s; its origin and etymology is unknown. [11] It is also sometimes known as European pochard, Eurasian pochard, or (particularly in the UK) simply pochard. [12]
The following taxa, although certainly new species, cannot be assigned even to subfamily; that KauaŹ»i is the oldest of the large Hawaiian Islands, meaning the species may have been evolving in isolation for nearly 10 mya (since the Late Miocene), does not help in determining their affinities: Long-legged "shelduck", Anatidae sp. et gen. indet.
The Anserinae are a subfamily in the waterfowl family Anatidae.It includes the swans and the 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.
Anatidae is the biological family that includes the ducks and most duck-like waterfowl, such as geese and swan.These are birds that are modified for swimming, floating on the water surface, and in some cases diving in at least shallow water.
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The Anatinae are a subfamily of the family Anatidae (swans, geese and ducks). Its surviving members are the dabbling ducks, which feed mainly at the surface rather than by diving. The other members of the Anatinae are the extinct moa-nalo, a young but highly apomorphic lineage derived from the dabbling ducks.