Family Ducks, Geese, Swans (Anatidae)

Least Concern

Black-headed Duck (Heteronetta atricapilla)


Taxonomy

French: Hétéronette à tête noire German: Kuckucksente Spanish: Pato rinconero
Taxonomy:

Anas atricapilla

Merrem

, 1841,

Buenos Aires, Argentina

.

Has sometimes been regarded as a link between dabbling ducks and stifftails. Monotypic.

Distribution:

C Chile E to Paraguay, SE Brazil and Uruguay, S in Argentina to Buenos Aires and La Pampa Provinces.

Descriptive notes

35–43 cm; male 434–680 g, female 470–720 g. Dabbling duck-like jizz, but identifiable by virtue of elongated body, short tail, small head on short thick... read more

Voice

Generally rather silent; in courtship, males give three faint croaks followed by low piping notes,... read more

Habitat

Swamps, lakes, pools and marshes of permanent fresh waters with abundant emergent vegetation in... read more

Food and feeding

Diet formed mainly by seeds and vegetative parts of aquatic plants (e.g. bulrushes); also aquatic invertebrates (especially molluscs),... read more

Breeding

In S Brazil, eggs and ducklings found Oct–Dec; in Argentina, adults paired Sept–Dec and eggs recorded until Jan; promiscuity... read more

Movements

Partially migratory and perhaps somewhat nomadic in response to droughts; southernmost breeding... read more

Status and conservation

Not globally threatened (Least Concern). Apparently still fairly common but very sensitive to loss of permanent marshes through drainage or pollution; population estimated at... read more

Recommended citation

Carboneras, C. & Kirwan, G.M. (2017). Black-headed Duck (Heteronetta atricapilla). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from http://www.hbw.com/node/52932 on 24 October 2017).