Head to head
Ashy-headed Goose vs Black-necked Swan
Ashy-headed Goose
VS Black-necked Swan
Both are South American waterfowl, but they differ enormously in size, habitat, and plumage pattern.
| Ashy-headed Goose | Black-necked Swan | |
|---|---|---|
| Scientific name | Chloephaga poliocephala | Cygnus melancoryphus |
| Classification | A goose | South America's only native swan species |
| Size | Smaller than a swan | One of the larger waterfowl species |
| Habitat preference | Forest edges and grassland | Open wetlands and lakes |
| Conservation status | Least Concern | Least Concern |
| Population trend | Stable | Stable |
| Plumage | A grey head with a reddish-brown body | A white body with a black head and neck |
| Habitat | Grassland, forest, coastal | Wetlands, coastal |
Ashy-headed Goose vs Black-necked Swan: common questions
Which one is South America's only swan species?
The black-necked swan holds this distinction, the only swan species native to South America, unlike the ashy-headed goose, which is a goose rather than a swan.
Which one is larger?
The black-necked swan is much larger, one of the bigger waterfowl species overall, compared with the considerably smaller ashy-headed goose.
Which one favours forest edges rather than open wetlands?
The ashy-headed goose favours this habitat, grazing along the margins of southern beech forest, unlike the black-necked swan, which is found across open wetlands and lakes instead.