Meller's Duck vs Greater White-fronted Goose
Anas melleri comparado con Anser albifrons
Side-by-Side Comparison
| Atributo | Meller's Duck | Greater White-fronted Goose |
|---|---|---|
| Nombre científico | Anas melleri | Anser albifrons |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Endangered | Least Concern |
| Longitud | — | — |
| Envergadura | 49,1 cm (19.3 in) | 81,6 cm (32.1 in) |
| Peso | 1023,625 g (36.11 oz) | 2471,0 g (87.16 oz) |
| Dieta | Dives for fish and aquatic invertebrates in fast-flowing rivers; serrated bill grips slippery fish; diet … | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … |
| Tamaño de la puesta | 5-11 | 3-9 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Meller's Duck only
Ninguno
Greater White-fronted Goose only
Meller's Duck
Freshwater lakes, marshes, rivers, and rice paddies in the eastern highlands and north of Madagascar. Prefers undisturbed native forest wetlands. Endangered by hunting and habitat conversion.
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
Meller's Duck
Female produces a loud, resonant quacking sequence; male gives a soft, nasal grunt. This large Malagasy duck vocalizes with powerful quacking calls along forest rivers and marshes.
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.
Geographic Range & Migration
Meller's Duck
Resident in wetlands and lakes from Turkey and Egypt through East Africa to the Cape. Non-migratory and widely distributed.
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.
Estado de conservación
Meller's Duck
Greater White-fronted Goose
How to Tell Them Apart
Meller's Duck
Dark brown-olive plumage streaked and mottled with pale buff; resembles large dark Mallard without green head. Iridescent green speculum with white borders. Yellow-brown bill; orange legs. Madagascar endemic.
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 …
About These Birds
Meller's Duck
El pato de Meller es una especie grande de pato marrón oscuro endémica de Madagascar y las islas Mauricio. Es el pato dabbling más grande de Madagascar y habita en los grandes lagos, ríos y marismas del centro y este de la isla. Está clasificado como en peligro de extinción debido a la pérdida de hábitat, la caza y la hibridación con patos domésticos.
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.