Greater White-fronted Goose vs Red-breasted Merganser
Anser albifrons comparado con Mergus serrator
Side-by-Side Comparison
| Atributo | Greater White-fronted Goose | Red-breasted Merganser |
|---|---|---|
| Nombre científico | Anser albifrons | Mergus serrator |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 81,6 cm (32.1 in) | 46,7 cm (18.4 in) |
| Peso | 2471,0 g (87.16 oz) | 1058,3333333333333 g (37.33 oz) |
| Dieta | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | Dives for small fish, crustaceans, and aquatic invertebrates in coastal and freshwater habitats. Pursues fish … |
| Tamaño de la puesta | 3-9 | 6-14 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Greater White-fronted Goose only
Ninguno
Red-breasted Merganser 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.
Red-breasted Merganser
Male produces a harsh, rasping series of notes; female gives a rough, guttural grunting. The harsh, rattling call is louder than Goosander; pairs and flocks create a rasping coastal cacophony.
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.
Red-breasted Merganser
Circumpolar breeder in boreal and Arctic zones. Winters on coasts and large water bodies south to the Mediterranean and southern Asia.
Estado de conservación
Greater White-fronted Goose
Red-breasted Merganser
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 …
Red-breasted Merganser
Male has dark green shaggy double crest, speckled chestnut breast band, white collar, and grey flanks; red bill. Female has rufous-brown head with ragged crest blending gradually into grey neck …
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.
Red-breasted Merganser
El serrano o merganso mediano es un merganso de tamaño mediano con el macho de cabeza verde con un desordenado moño y el pecho manchado de castaño. Ampliamente distribuido en el hemisferio norte, cría principalmente en costas marinas y grandes lagos, siendo uno de los pocos mergansos que cría regularmente en ambientes costeros. Inverna en costas marinas de mares templados.