Brent Goose vs Red-breasted Goose
Branta bernicla comparado con Branta ruficollis
Side-by-Side Comparison
| Atributo | Brent Goose | Red-breasted Goose |
|---|---|---|
| Nombre científico | Branta bernicla | Branta ruficollis |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Vulnerable |
| Longitud | — | — |
| Envergadura | 63,9 cm (25.2 in) | 69,1 cm (27.2 in) |
| Peso | 1335,0 g (47.09 oz) | 1253,25 g (44.21 oz) |
| Dieta | Primarily herbivorous; grazes aquatic plants, grasses, and sedges; swans upend in shallow water for submerged … | -- |
| Tamaño de la puesta | 1-10 | 3-10 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Brent Goose only
Red-breasted Goose 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.
Red-breasted Goose
Breeds on river-terrace tundra in northwestern Siberia, often near Peregrine or Rough-legged Buzzard nests for protection. Winters on agricultural steppes and lake margins around the Black Sea and Caspian Sea.
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.
Red-breasted Goose
A high-pitched, rapid 'kik-kik-kik' call. More vocal during migration; flocks give constant chattering. Considered a more squeaky, high-pitched call than other Branta geese.
Geographic Range & Migration
Brent Goose
Breeds across boreal and subarctic Canada and Alaska; winters in the southern United States, Mexico, and Central America.
Red-breasted Goose
Estado de conservación
Brent Goose
Red-breasted Goose
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.
Red-breasted Goose
Unmistakable; vivid chestnut-red patch on face and breast bordered by white stripes. Black crown, back, wings, and belly. White flank stripe and undertail. Compact and striking. 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.
Red-breasted Goose
El barnacla cuellirrojo es un pequeño ganso con el plumaje llamativo de color negro, blanco y rojo-ladrillo. Cría en la tundra siberiana y migra al Mar Negro y el Caspio para pasar el invierno, con la mayor parte de la población invernando en Bulgaria y Rumanía. Está clasificado como vulnerable, con declives en sus poblaciones invernantes atribuidos a la caza y los cambios en el uso del suelo.