Family Ducks, Geese, Swans (Anatidae)

Least Concern

Rosy-billed Pochard (Netta peposaca)


French: Nette demi-deuil German: Rosenschnabelente Spanish: Pato picazo
Other common names: Rosybill

Anas peposaca


, 1816,

Paraguay and Buenos Aires, Argentina


Sometimes placed in genus Metopiana. Pronounced tendency to hybridize with Netta rufina and other pochards in ornamental wildfowl collections. Monotypic.


From C Chile (Atacama), Bolivia, Paraguay and S Brazil S to Tierra del Fuego.

Descriptive notes

53–57 cm; c. 1000–1180 g, mean 1078·9 ± 90·36 g, and 1154·7 ± 86·59 g for females and males, respectively. Distinctive,... read more


Most calls are specifically associated with agonistic or courtship behaviour, with three different... read more


Relatively shallow freshwater swamps, marshes and small lakes with abundant floating vegetation on... read more

Food and feeding

Little known, but apparently essentially vegetarian diet; seeds, roots and vegetative parts of aquatic plants, grasses and sedges. Only... read more


Mainly Oct/Nov; Feb/Mar in Paraguay, and broods noted in S Brazil until Apr. Breeding system apparently unrecorded, though might be... read more


Partially migratory; southernmost populations descend to lower latitudes to winter as far N as... read more

Status and conservation

Not globally threatened (Least Concern). Abundant although usually found in small groups, with overall population estimated at > 1,000,000 birds at start of millenium.... read more

Recommended citation

Carboneras, C. & Kirwan, G.M. (2019). Rosy-billed Pochard (Netta peposaca). 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 on 11 December 2019).