Greater White-fronted Goose vs Andean Duck
Anser albifrons comparado con Oxyura ferruginea
Side-by-Side Comparison
| Atributo | Greater White-fronted Goose | Andean Duck |
|---|---|---|
| Nombre científico | Anser albifrons | Oxyura ferruginea |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 81,6 cm (32.1 in) | 31,4 cm (12.4 in) |
| Peso | 2471,0 g (87.16 oz) | 800,75 g (28.25 oz) |
| Dieta | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | Dives for aquatic invertebrates and plant seeds in Andean lakes and marshes. Diet similar to … |
| Tamaño de la puesta | 3-9 | 6-10 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Greater White-fronted Goose only
Andean Duck only
Ninguno
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.
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.
Andean Duck
Male gives a rapid, staccato drumming display call; female produces a nasal, quacking rattle. The male's mechanical drumming is similar to Ruddy Duck; echoes across Andean high-altitude lakes.
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.
Andean Duck
Resident in the Andes of Colombia, Ecuador, Peru, Bolivia, and northwestern Argentina. Found on high-altitude lakes above 3,000 m.
Estado de conservación
Greater White-fronted Goose
Andean Duck
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 …
Andean Duck
Male is dark chestnut-rufous overall with black head, white cheeks tinged grey, and deep blue bill. Female is dark brownish with pale cheeks divided by a dark bar; similar to …
About These Birds
Greater White-fronted Goose
El ánsar careto o ganso careto mayor es un ganso mediano de color pardo con una llamativa mancha blanca en la frente y barras negras en el vientre. Tiene un amplio rango de cría en la tundra ártica del hemisferio norte y migra a zonas templadas de Europa, Asia y América del Norte para pasar el invierno, donde a menudo se reúne en grandes bandadas en campos agrícolas.
Andean Duck
El pato de cabeza blanca del Pacífico es un pato de cola tiesa de Asia occidental y central. El macho tiene la cabeza blanca, la cara y el cuello negros, y el cuerpo de color castaño rojizo brillante. Habita en lagos de montaña, pantanos y estanques en su rango, que comprende desde Turquía hasta el oeste de China. A veces es considerado una subespecie de la malvasía.