Ashy-headed Goose vs African Pygmy-goose
Chloephaga poliocephala comparado con Nettapus auritus
Side-by-Side Comparison
| Atributo | Ashy-headed Goose | African Pygmy-goose |
|---|---|---|
| Nombre científico | Chloephaga poliocephala | Nettapus auritus |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 69,1 cm (27.2 in) | 29,9 cm (11.8 in) |
| Peso | 1779,25 g (62.76 oz) | 272,5 g (9.61 oz) |
| Dieta | Eats grasses, seeds, and aquatic invertebrates; grazes upland pastures and dabbles in wetlands; diet varies … | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| Tamaño de la puesta | 4-6 | 6-12 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Ashy-headed Goose only
African Pygmy-goose only
Ninguno
Ashy-headed Goose
Temperate forests, forest clearings, and lake margins in southern Chile and Patagonian Argentina. Partially migratory; breeds in beech forest zones and winters on open grasslands farther north.
African Pygmy-goose
Freshwater lakes, ponds, and rivers with floating water lilies and other aquatic vegetation across sub-Saharan Africa from Senegal to Tanzania. Nests in tree cavities near water. Highly dependent on water lily vegetation.
Song & Call Comparison
Ashy-headed Goose
A whistled 'seeeeu' from males and a lower cackling from females. Ashy-headed Goose calls carry across Andean foothills and Patagonian grassland habitats.
African Pygmy-goose
Male produces a soft, wheezy whistle; female gives a quiet, duck-like quack. Pairs exchange rapid twittering notes during courtship on lily-covered African pools.
Geographic Range & Migration
Ashy-headed Goose
Inhabits wetlands and flooded grasslands across South and Southeast Asia, from India to Indonesia. Largely resident year-round.
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Estado de conservación
Ashy-headed Goose
African Pygmy-goose
How to Tell Them Apart
Ashy-headed Goose
Gray head and neck contrast with chestnut breast and rufous-barred flanks. Back brown; belly white. White wing patch in flight with iridescent green speculum. Yellow-orange legs. Sexes similar but females …
African Pygmy-goose
Tiny. Males have glossy dark green head with orange facial patch and ear spot; chestnut-orange flanks; white underparts; black and green back. Females duller with dark eye-stripe. Small yellow-green bill.
About These Birds
Ashy-headed Goose
El cauquén real es un ganso del sur de América del Sur que habita en pastizales andinos y patagónicos desde Chile hasta Argentina. Tiene la cabeza gris, el cuerpo barrado de negro y blanco, y las alas con partes blancas y negras muy llamativas. Es una especie migratoria que durante el invierno desciende a menores altitudes y se desplaza hacia el este de la Patagonia.
African Pygmy-goose
El pigmeo africano o pato enano africano es el pato más pequeño de África y uno de los patos más pequeños del mundo. Tiene plumaje de color verde oscuro y blanco con el cuello de color castaño rojizo. Habita en lagunas tranquilas, estanques y pantanos con abundante vegetación flotante, especialmente lirios de agua, en África subsahariana.