African Pygmy-goose vs Lake Duck
Nettapus auritus comparado con Oxyura vittata
Side-by-Side Comparison
| Atributo | African Pygmy-goose | Lake Duck |
|---|---|---|
| Nombre científico | Nettapus auritus | Oxyura vittata |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 29,9 cm (11.8 in) | 27,6 cm (10.9 in) |
| Peso | 272,5 g (9.61 oz) | 665,0 g (23.46 oz) |
| Dieta | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … | Dives for aquatic invertebrates and plant seeds in South American freshwater lakes and marshes. Feeds … |
| Tamaño de la puesta | 6-12 | 3-5 |
| Population Trend | — | — |
Habitat Comparison
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
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.
Lake Duck
Male produces a mechanical, drumming staccato call; female gives a soft, nasal quack. Drumming display resembles other Oxyura stiff-tails; heard at dawn on Andean and Patagonian lakes.
Geographic Range & Migration
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Lake Duck
Resident in southern South America from central Chile and central Argentina south to Tierra del Fuego. Found on lowland lakes and lagoons.
Estado de conservación
African Pygmy-goose
Lake Duck
How to Tell Them Apart
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.
Lake Duck
Male is dark chestnut-brown with black head, pale whitish-grey cheeks, and cobalt-blue bill. Female is brownish-buff with streaked upperparts and a distinctive pale supercilium; undertail coverts whitish.
About These Birds
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.
Lake Duck
El pato capuchino o pato zambullidor sudamericano es un pato de cola tiesa del sur de América del Sur con el macho de cabeza y cuello negros y las partes superiores de color castaño rojizo. Habita en lagunas y estanques de agua dulce con juncos y totoras. Como otros patos de cola tiesa, lleva la larga y erguida cola a menudo levantada en ángulo durante la natación.