White-winged Scoter vs African Pygmy-goose
Melanitta deglandi comparado con Nettapus auritus
Side-by-Side Comparison
| Atributo | White-winged Scoter | African Pygmy-goose |
|---|---|---|
| Nombre científico | Melanitta deglandi | Nettapus auritus |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 54,0 cm (21.3 in) | 29,9 cm (11.8 in) |
| Peso | 1647,1666666666667 g (58.10 oz) | 272,5 g (9.61 oz) |
| Dieta | Dives for molluscs, crustaceans, and small fish in coastal and inland waters. Favours mussels and … | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| Tamaño de la puesta | 6-16 | 6-12 |
| 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
White-winged Scoter
Male produces a soft, whistled note; female gives a harsh, grating call. Similar to Velvet Scoter; the female's rasping call carries across North Pacific bays and coastal inlets.
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
White-winged Scoter
Breeds in boreal forest and tundra of interior North America. Winters along Pacific and Atlantic coasts south to California and the Gulf states.
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Estado de conservación
White-winged Scoter
African Pygmy-goose
How to Tell Them Apart
White-winged Scoter
Male is black with conspicuous white secondaries and a white comma-shaped mark below eye; orange-yellow bill with black basal knob. Female dark brownish-black with two pale facial patches and white …
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
White-winged Scoter
El negrón aliblanco norteamericano es un gran pato marino con el macho negro con un parche blanco oval bajo el ojo y el ala de color blanco. Habita en costas marinas del Pacífico de América del Norte durante el invierno, donde se alimenta principalmente de mejillones, almejas y otros moluscos buceando. Cría en lagos de bosques boreales del norte de Norteamérica.
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.