African Pygmy-goose vs South African Shelduck
Nettapus auritus comparado con Tadorna cana
Side-by-Side Comparison
| Atributo | African Pygmy-goose | South African Shelduck |
|---|---|---|
| Nombre científico | Nettapus auritus | Tadorna cana |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 29,9 cm (11.8 in) | 69,0 cm (27.2 in) |
| Peso | 272,5 g (9.61 oz) | 1323,6666666666667 g (46.69 oz) |
| Dieta | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … | Eats seeds, aquatic plants, and invertebrates; dabbles in shallow water; diet more invertebrate-heavy in breeding … |
| Tamaño de la puesta | 6-12 | 4-11 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
African Pygmy-goose only
Ninguno
South African Shelduck only
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.
South African Shelduck
Inland freshwater and saline lakes, pans, dams, and rivers across southern Africa, primarily on the South African plateau, Lesotho, and Namibia. Nests in burrows dug by aardvark. Highly terrestrial for a shelduck.
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.
South African Shelduck
Male gives a whistled 'wheeu'; female gives a harsh, descending cackle. Calls from South African wetlands and vleis. Sexual dimorphism in call is strong.
Geographic Range & Migration
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
South African Shelduck
Breeds in subarctic Eurasia and winters in sub-Saharan Africa, the Indian subcontinent, and Southeast Asia.
Estado de conservación
African Pygmy-goose
South African Shelduck
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.
South African Shelduck
Males have gray head and neck; rufous-brown body with white wing coverts and green speculum. Females similar but with white facial markings around bill and eye. Body rich rufous-chestnut. Endemic …
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.
South African Shelduck
El tarro sudafricano o tarro del Cabo es un grande pato del sur de África con la cabeza gris en el macho y la cara blanca con una mancha marrón en la hembra. El cuerpo es de color canela-marrón. Es endémico de Sudáfrica, Namibia y Botsuana, donde habita en humedales abiertos, pantanos y lagos salinos y semisalinos, así como en embalses.