Aves | Anseriformes
SAUP Database. 2006. (Ref. 356)
Size / Weight / Age
max. published weight: 3.0 kg (Ref. 356)
Climate / Range
Countries | FAO areas | Ecosystems | Occurrences | Introductions
Endemic to the southern coast of Chubut province of Argentina.
Surface diving; dabbling; coastal (Ref. 356).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models