Greater White-fronted Goose vs Swan Goose
Anser albifrons comparé à Anser cygnoid
Side-by-Side Comparison
| Attribut | Greater White-fronted Goose | Swan Goose |
|---|---|---|
| Nom scientifique | Anser albifrons | Anser cygnoid |
| Ordre | Anseriformes | Anseriformes |
| Famille | Anatidae | Anatidae |
| Statut de conservation | Least Concern | Endangered |
| Longueur | — | — |
| Envergure | 81,6 cm (32.1 in) | 84,4 cm (33.2 in) |
| Poids | 2471,0 g (87.16 oz) | 3343,75 g (117.95 oz) |
| Régime alimentaire | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | -- |
| Taille de la couvée | 3-9 | 4-8 |
| Population Trend | — | — |
Habitat Comparison
Habitats partagés
Greater White-fronted Goose only
Swan Goose only
Aucun(e)
Greater White-fronted Goose
Breeds on Arctic and subarctic tundra and peatlands. Winters on estuaries, agricultural fields, freshwater marshes, and flooded meadows across Europe, Asia, and North America. One of the most widespread geese.
Swan Goose
Breeds on steppe lakes, rivers, and meadows in Mongolia, Siberia, and northeastern China. Winters in eastern China's Yangtze River floodplain and coastal wetlands. Wild populations critically small.
Song & Call Comparison
Greater White-fronted Goose
A loud, laughing 'kow-lyuk' or musical 'wah-wah'. Gives a distinctive high-pitched yodeling quality lacking in Greylag. Highly vocal in large winter flocks.
Swan Goose
A deep, resonant 'honk'; less frequently heard than Greylag. The EN status reflects serious population decline; vocalizations are considered similar to Greylag Goose.
Geographic Range & Migration
Greater White-fronted Goose
Breeds in the potholes region of the northern Great Plains; winters in the southern United States and along the Gulf Coast.
Swan Goose
Statut de conservation
Greater White-fronted Goose
Swan Goose
How to Tell Them Apart
Greater White-fronted Goose
Brown-gray body with white forehead patch bordered by white band at bill base. Underparts with bold irregular black bars on belly. Orange bill; orange-yellow legs. Juveniles lack white front and …
Swan Goose
Long neck with rich chestnut hindneck stripe. Forehead and crown dark brown; face and throat whitish. Upperparts grayish-brown; underparts pale. Long black bill. Pink legs. Ancestor of Chinese domestic geese.
About These Birds
Greater White-fronted Goose
A medium-large goose with a white forehead patch, orange bill, grey-brown plumage, and variable black barring on the belly. Widespread and numerous; one of the most abundant geese in the world. Breeds across the high Arctic; winters in a wide range of temperate wetland and agricultural habitats.
Swan Goose
A large long-necked goose with warm brown body, pale underparts, a dark brown cap, and a long straight black bill. The ancestor of the Chinese domestic Swan Goose breed. Wild populations are declining sharply. Breeds in Mongolia and Siberia; winters in eastern China. Endangered in the wild.