Eastern Spot-billed Duck vs African Pygmy-goose
Anas zonorhyncha comparado com Nettapus auritus
Side-by-Side Comparison
| Atributo | Eastern Spot-billed Duck | African Pygmy-goose |
|---|---|---|
| Nome científico | Anas zonorhyncha | Nettapus auritus |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 53,6 cm (21.1 in) | 29,9 cm (11.8 in) |
| Peso | 1017,5 g (35.89 oz) | 272,5 g (9.61 oz) |
| Dieta | Eats fish, aquatic invertebrates, and amphibians; dives in freshwater rivers; serrated bill grips prey; fish … | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| Tamanho da postura | 7-9 | 6-12 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Eastern Spot-billed Duck only
African Pygmy-goose only
Nenhum
Eastern Spot-billed Duck
Freshwater lakes, rivers, marshes, and rice paddies in northeastern Asia from eastern Russia and Siberia through China, Korea, and Japan. Winters in southern China and southern Japan.
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
Eastern Spot-billed Duck
Female produces a loud, descending quacking series; male gives a low, nasal grunt. Vocalizations closely resemble the Indian Spot-billed Duck; pairs call antiphonally on East Asian wetlands.
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
Eastern Spot-billed Duck
Found in wetlands across Southeast Asia, from India to China, Vietnam, and Indonesia. Largely resident; local seasonal movements.
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Estado de conservação
Eastern Spot-billed Duck
African Pygmy-goose
How to Tell Them Apart
Eastern Spot-billed Duck
Brown body with pale buff face and throat; dark crown and eye stripe. Yellow-tipped black bill lacking the red spot of Indian Spot-billed Duck. Iridescent green speculum with white border. …
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
Eastern Spot-billed Duck
A large brown dabbling duck with a yellow-tipped black bill, without the red spot of its Indian relative, and a green speculum. Found across northeastern Asia. Partially migratory; breeds in northern China, Korea, and Siberia; winters farther south and east.
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.