Yellow-billed Pintail vs Brent Goose
Anas georgica comparado con Branta bernicla
Side-by-Side Comparison
| Atributo | Yellow-billed Pintail | Brent Goose |
|---|---|---|
| Nombre científico | Anas georgica | Branta bernicla |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 41,1 cm (16.2 in) | 63,9 cm (25.2 in) |
| Peso | 626,6666666666666 g (22.11 oz) | 1335,0 g (47.09 oz) |
| Dieta | Eats aquatic invertebrates, molluscs, and small fish; dives in shallow water; diet varies between freshwater … | Primarily herbivorous; grazes aquatic plants, grasses, and sedges; swans upend in shallow water for submerged … |
| Tamaño de la puesta | 3-12 | 1-10 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Yellow-billed Pintail only
Ninguno
Brent Goose only
Ninguno
Yellow-billed Pintail
Freshwater and brackish lakes, rivers, marshes, and bogs from the Andes to Patagonia in South America, plus the Falkland Islands and South Georgia. Ranges from sea level to high altitudes. Partially migratory.
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
Yellow-billed Pintail
Female gives a nasal, descending quacking series; male utters a short, whistled note. Calls are softer than the Northern Pintail; heard across South American lakes and pampas marshes.
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.
Geographic Range & Migration
Yellow-billed Pintail
Breeds across the northern Palearctic; winters in Europe, North Africa, the Middle East, and South Asia.
Brent Goose
Breeds across boreal and subarctic Canada and Alaska; winters in the southern United States, Mexico, and Central America.
Estado de conservación
Yellow-billed Pintail
Brent Goose
How to Tell Them Apart
Yellow-billed Pintail
Brown plumage with pale buff feather edges creating scalloped pattern. Yellow bill with black ridge and tip. Pointed tail; long neck. Iridescent speculum with buff front border. Sexes similar. Andean …
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.
About These Birds
Yellow-billed Pintail
El pato maicero o ánade georgiano es un pato dabbling de color marrón amarillento moteado con una larga y puntiaguda cola. Distribuido desde Colombia hasta Argentina y Chile, incluyendo las islas del Atlántico sur, habita en humedales andinos de altitud, lagunas pampeanas y marismas costeras. Su nombre alude a la isla Georgia del Sur, donde se reproduce.
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.