The White-winged Duck (Asarcornis scutulata) is the State Bird of Assam. It is locally known as deohaanh or White-winged Wood Duck. According to the IUCN Red List, the White-winged Duck is an Endangered species, since  it has a very small and fragmented population which is undergoing a very rapid and continuing decline as a result of the loss of and disturbance to riverine habitats. Image by cuatrok77.