Siberian Scoter vs African Pygmy-goose
Melanitta stejnegeri comparado con Nettapus auritus
Side-by-Side Comparison
| Atributo | Siberian Scoter | African Pygmy-goose |
|---|---|---|
| Nombre científico | Melanitta stejnegeri | Nettapus auritus |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 53,4 cm (21.0 in) | 29,9 cm (11.8 in) |
| Peso | 1267,5 g (44.71 oz) | 272,5 g (9.61 oz) |
| Dieta | Dives for bivalves, crustaceans, and aquatic invertebrates in coastal East Asian waters. Diet similar to … | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| Tamaño de la puesta | 6-9 | 6-12 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Siberian Scoter only
African Pygmy-goose only
Ninguno
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
Siberian Scoter
Male emits a soft, piping whistle; female produces a guttural, grating call. Voice resembles White-winged Scoter; heard during winter on East Asian coasts and large inland seas.
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
Siberian Scoter
Breeds in boreal forests and tundra of central and eastern Siberia. Winters along the coasts of Japan, Korea, and northeastern China.
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Estado de conservación
Siberian Scoter
African Pygmy-goose
How to Tell Them Apart
Siberian Scoter
Male is uniformly black with white secondaries forming wing patch; orange-yellow bill has large black knob at base and pale yellow tip. Female dark brown with paler facial patches and …
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
Siberian Scoter
El negrón de Stejneger es un gran pato marino de Asia del este con el macho de color negro brillante con un llamativo pico naranja y amarillo con manchas naranjas y negras. Cría en el nordeste de Asia y pasa el invierno en el mar Amarillo, el mar de Japón y las aguas costeras del noreste de Asia. Está clasificado como vulnerable por el declive de sus poblaciones.
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.