Ruddy-headed Goose vs African Pygmy-goose
Chloephaga rubidiceps comparado con Nettapus auritus
Side-by-Side Comparison
| Atributo | Ruddy-headed Goose | African Pygmy-goose |
|---|---|---|
| Nombre científico | Chloephaga rubidiceps | Nettapus auritus |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 65,1 cm (25.6 in) | 29,9 cm (11.8 in) |
| Peso | 1756,8333333333333 g (61.97 oz) | 272,5 g (9.61 oz) |
| Dieta | -- | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| Tamaño de la puesta | 3-8 | 6-12 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Ninguno
Ruddy-headed Goose only
African Pygmy-goose only
Ruddy-headed Goose
Breeds on open tussock grasslands and moorland in Tierra del Fuego and the Falkland Islands. Mainland wintering population on Patagonian grasslands now critically small. Falkland Islands population relatively stable.
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
Ruddy-headed Goose
A high, whistled 'whee' from males and a cackling rattle from females. Calls similar to Ashy-headed Goose. Falkland Islands population; calls in open coastal grassland.
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
Ruddy-headed Goose
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Estado de conservación
Ruddy-headed Goose
African Pygmy-goose
How to Tell Them Apart
Ruddy-headed Goose
Distinctive rufous-brown head and neck; body barred rufous and black above; underparts buff-white finely barred. Orange-yellow legs. White wing patches in flight. Compact; sexes similar. Falklands and Patagonia.
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
Ruddy-headed Goose
El cauquén colorado es el más pequeño y menos conocido de los cauquenes, en peligro de extinción. Cría en las turberas de Tierra del Fuego y las Islas Malvinas y migra al norte en invierno hasta las pampas de Argentina. Tiene la cabeza y el cuello de color castaño rojizo brillante. Su población ha declinado drásticamente por la depredación por visones introducidos y la caza.
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.