White-cheeked Pintail, Anas bahamensis (formerly in Poecilonetta)
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These are in may be derived from a common ancestor of the Pacific Black Duck, the Laysan Duck, and the Mallard, and an unknown amount of other lineages.
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Laysan Duck, Anas laysanensis – sometimes included in Anas platyrhynchos
Mérida Teal, Anas andium altipetens (Conover, 1941) – highlands of north-west Venezuela and adjacent parts of Colombia.
A species of fossil duck from the Late Pleistocene of Vero Beach, Florida, was described as Querquedula floridana (a genus now included in Anas), but upon reexamination turned out to be a species closely related to the Hooded Merganser; it is now named Lophodytes floridanus, but the exact relationship between this bird and the modern species is unknown.
They actively take the eggs of smaller seabirds such as those of White Tern (Gygis alba) and the endemic Laysan Duck (Anas laysanensis).
In 2007, Asha lived in the village of Chesterton with his wife and young son Anas, and worked as a junior neurosurgeon at the University Hospital of North Staffordshire in Stoke-on-Trent.
On 31 July, Iraqi forces captured Abu Anas al-Baghdadi, Al-Qaeda in Iraq's media expert in the country, as well as four members of the Mujahideen Shura Council during a raid in western Diyala.