The White-backed Duck ("Thalassornis leuconotus") is a waterbird of the duck family Anatidae, belongs to the monotypic subfamily Thalassorninae.
It belongs to the monotypic subfamily Thalassorninae. The White-backed Duck ("Thalassornis leuconotus") is a waterbird of the duck family Anatidae.
The White-backed Duck ("Thalassornis leuconotus") is a waterbird of the duck family Anatidae. It belongs to the monotypic subfamily Thalassorninae.
The White-backed Duck ("Thalassornis leuconotus") is a waterbird of the duck family Anatidae. It belongs to the monotypic subfamily Thalassorninae.