Greater White-fronted Goose vs Snow Goose
Anser albifrons comparado con Anser caerulescens
Side-by-Side Comparison
| Atributo | Greater White-fronted Goose | Snow Goose |
|---|---|---|
| Nombre científico | Anser albifrons | Anser caerulescens |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 81,6 cm (32.1 in) | 82,4 cm (32.4 in) |
| Peso | 2471,0 g (87.16 oz) | 2561,0 g (90.34 oz) |
| Dieta | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | Grazes submerged aquatic vegetation and eelgrass in estuaries; also takes grasses and sedges on coastal … |
| Tamaño de la puesta | 3-9 | 2-6 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Greater White-fronted Goose only
Ninguno
Snow Goose 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.
Snow Goose
Breeds on coastal and inland Arctic tundra in Canada, Alaska, and Greenland. Winters on agricultural fields, marshes, and coastal wetlands across the United States and northern Mexico. Forms enormous flocks.
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.
Snow Goose
A loud, nasal barking 'luk-luk' or 'kow-kow'. Large flocks create enormous noise during Arctic nesting and winter staging. Considered a noisy, conspicuous 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.
Snow Goose
Breeds in eastern North America's boreal forest; winters on the Atlantic coast from New England to South Carolina.
Estado de conservación
Greater White-fronted Goose
Snow 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 …
Snow Goose
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.
Snow Goose
El ganso de las nieves es un ganso ártico que se presenta en dos morfologías de color: una forma blanca con las puntas de las alas negras y una forma azul-grisácea. Cría en la tundra ártica y migra en enormes bandadas al sur de Estados Unidos y México para pasar el invierno. Sus poblaciones han aumentado explosivamente en las últimas décadas, causando problemas de sobrepastoreo en la tundra.