Greater White-fronted Goose vs White-winged Scoter
Anser albifrons comparado con Melanitta deglandi
Side-by-Side Comparison
| Atributo | Greater White-fronted Goose | White-winged Scoter |
|---|---|---|
| Nombre científico | Anser albifrons | Melanitta deglandi |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 81,6 cm (32.1 in) | 54,0 cm (21.3 in) |
| Peso | 2471,0 g (87.16 oz) | 1647,1666666666667 g (58.10 oz) |
| Dieta | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | Dives for molluscs, crustaceans, and small fish in coastal and inland waters. Favours mussels and … |
| Tamaño de la puesta | 3-9 | 6-16 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Greater White-fronted Goose only
White-winged Scoter only
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.
White-winged Scoter
Male produces a soft, whistled note; female gives a harsh, grating call. Similar to Velvet Scoter; the female's rasping call carries across North Pacific bays and coastal inlets.
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.
White-winged Scoter
Breeds in boreal forest and tundra of interior North America. Winters along Pacific and Atlantic coasts south to California and the Gulf states.
Estado de conservación
Greater White-fronted Goose
White-winged Scoter
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 …
White-winged Scoter
Male is black with conspicuous white secondaries and a white comma-shaped mark below eye; orange-yellow bill with black basal knob. Female dark brownish-black with two pale facial patches and white …
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.
White-winged Scoter
El negrón aliblanco norteamericano es un gran pato marino con el macho negro con un parche blanco oval bajo el ojo y el ala de color blanco. Habita en costas marinas del Pacífico de América del Norte durante el invierno, donde se alimenta principalmente de mejillones, almejas y otros moluscos buceando. Cría en lagos de bosques boreales del norte de Norteamérica.