''Anabernicula'' is an extinct genus of waterfowl related to

shelduck The shelducks, most species of which are found in the genus ''Tadorna'' (except for the Radjah shelduck, which is now found in its own monotypic genus ''Radjah''), are a group of large birds in the Tadorninae subfamily of the Anatidae, the biolog ...

s that existed from the Pliocene to the Pleistocene in

North America North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...

. Four species have been described: ''A. minuscula'', ''A. gracilenta'', ''A. oregonensis'', and ''A. robusta''.

References

Tadorninae Late Quaternary prehistoric birds Extinct animals of the United States Pleistocene birds of North America Extinct birds of North America Pliocene birds of North America {{duck-stub