species 5,724 observations
Black-necked Swan
Cygnus melancoryphus
Field notes
The black-necked swan (Cygnus melancoryphus) is a species of South American waterfowl in the tribe Cygnini of the subfamily Anserinae. It is found in Argentina, Brazil, Chile, Uruguay, and the Falkland Islands. The black-necked swan is the smallest true swan on average, weighing between 3.5–8.7 kg (7.7–19.2 lb) as adults, but it is still the largest species of waterfowl native to South America.
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2
native plants
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Range
Greener is more native, amber more introduced; paler is less certain. How this was decided