Whooper Swan vs African Pygmy-goose
Cygnus cygnus comparado con Nettapus auritus
Side-by-Side Comparison
| Atributo | Whooper Swan | African Pygmy-goose |
|---|---|---|
| Nombre científico | Cygnus cygnus | Nettapus auritus |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 116,4 cm (45.8 in) | 29,9 cm (11.8 in) |
| Peso | 10350,0 g (365.09 oz) | 272,5 g (9.61 oz) |
| Dieta | Dabbling duck feeding on seeds, aquatic insects, and plant material; forages in shallow wetlands; diet … | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| Tamaño de la puesta | 2-12 | 6-12 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Whooper Swan only
African Pygmy-goose only
Ninguno
Whooper Swan
Breeds on boreal and subarctic lakes and boggy pools from Iceland and Scandinavia across northern Eurasia to Siberia. Winters on large lakes, estuaries, rivers, and agricultural fields in northwestern Europe and eastern Asia.
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
Whooper Swan
A loud, ringing 'wh-OOH-wh-OOH' bugle. Less high-pitched than Trumpeter; similar to Tundra Swan but deeper. Pairs call in musical antiphony. Carries very far over water.
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
Whooper Swan
Breeds in Arctic tundra from Siberia to western Canada; winters along the Pacific coast from British Columbia to Mexico.
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Estado de conservación
Whooper Swan
African Pygmy-goose
How to Tell Them Apart
Whooper Swan
All-white plumage. Long yellow bill with large wedge-shaped yellow patch extending past nostrils, contrasting with black tip. Long flat head profile. Holds neck erect and straight. Juveniles pale gray-brown.
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
Whooper Swan
El cisne cantor es un gran cisne blanco con el pico amarillo y negro. Se llama así por su resonante llamada grave en vuelo. Cría en humedales de la taiga y la tundra del norte de Europa y Asia, y migra al sur en invierno. En invernada, los grupos familiares permanecen juntos y realizan llamadas trompeteras frecuentes. Es el cisne nacional de Finlandia.
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.