Brent Goose vs Long-tailed Duck
Branta bernicla comparado con Clangula hyemalis
Side-by-Side Comparison
| Atributo | Brent Goose | Long-tailed Duck |
|---|---|---|
| Nombre científico | Branta bernicla | Clangula hyemalis |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Vulnerable |
| Longitud | — | — |
| Envergadura | 63,9 cm (25.2 in) | 43,1 cm (17.0 in) |
| Peso | 1335,0 g (47.09 oz) | 782,0 g (27.58 oz) |
| Dieta | Primarily herbivorous; grazes aquatic plants, grasses, and sedges; swans upend in shallow water for submerged … | Dives deeply for crustaceans, molluscs, and small fish in Arctic and subarctic seas. Freshwater invertebrates … |
| Tamaño de la puesta | 1-10 | 2-11 |
| Population Trend | — | — |
Habitat Comparison
Brent Goose
Breeds on high-Arctic tundra; winters on estuaries, coastal mudflats, saltmarshes, and sea-grass beds along Atlantic and Pacific coastlines. One of the most strictly coastal wintering geese.
Song & Call Comparison
Brent Goose
A low, guttural 'rronk' or 'ronk-ronk' from flocks. Soft nasal calls in feeding groups. A subtle, understated call for a goose — less loud than most Anser geese.
Long-tailed Duck
Male sings a musical, yodeling ow-owlet-aaaalett sequence; female gives a low, grunting quack. The male's loud, harmonious yodeling is arguably the most musical call among all waterfowl species.
Geographic Range & Migration
Brent Goose
Breeds across boreal and subarctic Canada and Alaska; winters in the southern United States, Mexico, and Central America.
Long-tailed Duck
Circumpolar High Arctic breeder. Winters at sea on coasts of northwestern Europe, northeastern North America, and the Bering Sea region.
Estado de conservación
Brent Goose
Long-tailed Duck
How to Tell Them Apart
Brent Goose
Small; mostly black head, neck, and breast. Small white neck-patch on adults. Back dark brownish-gray; belly pale gray to white depending on subspecies. White undertail coverts. Sexes similar.
Long-tailed Duck
Male in winter is mostly white with dark brown chest band, scapulars, and cheek patch; elongated central tail feathers extend well beyond body. Female is brownish with white face, dark …
About These Birds
Brent Goose
El barnacla brenta o barnacla negruzca es un pequeño ganso marino de color negro y gris oscuro con un pequeño parche blanco a los lados del cuello. Cría en la tundra ártica y migra a zonas costeras templadas del hemisferio norte en invierno, donde se alimenta principalmente de zostera, un tipo de hierba marina. Es el único ganso que pasa el invierno en ambientes exclusivamente marinos.
Long-tailed Duck
El pato havelda es un pato marino ártico reconocible por la larga y estrecha cola del macho y su llamativo plumaje blanco y negro. Cría en la tundra ártica y en las costas del norte, invernando en grandes masas de agua en mares abiertos. Es notable por bucear a mayor profundidad que cualquier otro pato, registrándose inmersiones de hasta 60 metros.