Brent Goose vs Plumed Whistling-duck
Branta bernicla comparado con Dendrocygna eytoni
Side-by-Side Comparison
| Atributo | Brent Goose | Plumed Whistling-duck |
|---|---|---|
| Nombre científico | Branta bernicla | Dendrocygna eytoni |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 63,9 cm (25.2 in) | 46,4 cm (18.3 in) |
| Peso | 1335,0 g (47.09 oz) | 877,5 g (30.95 oz) |
| Dieta | Primarily herbivorous; grazes aquatic plants, grasses, and sedges; swans upend in shallow water for submerged … | Grazes short tundra grasses; also takes aquatic vegetation; large Arctic goose wintering on coastal marshes … |
| Tamaño de la puesta | 1-10 | 8-14 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Brent Goose only
Plumed Whistling-duck only
Ninguno
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.
Plumed Whistling-duck
Grassy tropical wetland margins, flooded plains, and well-watered pastures in northern and eastern Australia. Grazes on land near water at night; rests on open ground or in trees during the day.
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.
Plumed Whistling-duck
A high, reedy whistling call similar to other Dendrocygna. Plumed Whistling-duck gives 'grassy' grassland calls. Less musical than White-faced; contact notes are short whistles.
Geographic Range & Migration
Brent Goose
Breeds across boreal and subarctic Canada and Alaska; winters in the southern United States, Mexico, and Central America.
Plumed Whistling-duck
Breeds in the Holarctic tundra and boreal zones; winters on temperate coasts and large inland lakes globally.
Estado de conservación
Brent Goose
Plumed Whistling-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.
Plumed Whistling-duck
Pale brown head and neck; chestnut-brown back. Distinctive long, pale golden plumes extend from flanks. Breast pale pink with dark spots. Belly pale. Long pink legs. Upright posture. Sexes similar.
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.
Plumed Whistling-duck
El pato silbador plumudo es un llamativo pato silbador australiano con largas plumas terciarias de color rosado que sobresalen de los flancos y crean un efecto plumado. Es de color ante-rosado con el dorso oscuro. Habita en praderas inundadas, pantanos y márgenes de lagos en el norte y el este de Australia. El macho produce un distintivo silbido durante el cortejo.