White-winged Duck vs African Pygmy-goose
Asarcornis scutulata comparado com Nettapus auritus
Side-by-Side Comparison
| Atributo | White-winged Duck | African Pygmy-goose |
|---|---|---|
| Nome científico | Asarcornis scutulata | Nettapus auritus |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Critically Endangered | Least Concern |
| Comprimento | — | — |
| Envergadura | 68,3 cm (26.9 in) | 29,9 cm (11.8 in) |
| Peso | 2950,0 g (104.06 oz) | 272,5 g (9.61 oz) |
| Dieta | Feeds on seeds, plant material, and aquatic invertebrates; dabbles in shallow water; diet varies widely … | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| Tamanho da postura | 6-15 | 6-12 |
| Population Trend | — | — |
Habitat Comparison
White-winged Duck
Undisturbed lowland tropical forest near slow rivers, pools, and forest swamps at low elevations in northeastern India, Bangladesh, Myanmar, and Sumatra. Requires large trees with nest cavities near permanent water.
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 Duck
Critically endangered; extremely rare in wild. Gives low guttural hissing calls and soft wing-beating sounds. Vocalizations in wild scarcely documented given its rarity.
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 Duck
Breeds in northern Eurasia; winters in sub-Saharan Africa. A classic Palearctic–African migrant with a wide wintering range.
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Estado de conservação
White-winged Duck
African Pygmy-goose
How to Tell Them Apart
White-winged Duck
Dark brown body with pale spotting on head and neck. Bold white wing patch visible in flight. Yellowish-orange bill; legs orange. Head pale buffish-white speckled brown. Critically endangered SE Asian …
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 Duck
A large dark duck with a pale speckled head, brownish body, and broad white wing patch visible in flight. One of Asia's most endangered ducks. Found in undisturbed lowland forest near rivers in South and Southeast Asia. Nests in large tree hollows. Threatened by deforestation and hunting.
African Pygmy-goose
O pato-pigmeu-africano é o menor pato africano e um dos menores da família dos anátidos. É encontrado em zonas húmidas tropicais de África subsariana. Os machos têm plumagem brilhante verde-escuro iridescente no dorso com flancos castanhos avermelhados e remendos brancos nas asas. Habita lagos, pântanos e áreas com vegetação aquática flutuante. Nidifica em ocos de árvore perto da água. A sua distribuição está ligada à presença de plantas aquáticas específicas.