Wood Duck vs African Pygmy-goose
Aix sponsa comparado com Nettapus auritus
Side-by-Side Comparison
| Atributo | Wood Duck | African Pygmy-goose |
|---|---|---|
| Nome científico | Aix sponsa | Nettapus auritus |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 44,1 cm (17.4 in) | 29,9 cm (11.8 in) |
| Peso | 691,75 g (24.40 oz) | 272,5 g (9.61 oz) |
| Dieta | Dabbles for seeds and aquatic invertebrates; diet shifts between plant matter and invertebrates seasonally in … | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| Tamanho da postura | 9-15 | 6-12 |
| Population Trend | — | — |
Habitat Comparison
Wood Duck
Wooded swamps, beaver ponds, forested river margins, and tree-lined lakes in eastern and western North America. Nests in tree cavities up to 15m high. Readily uses nest boxes. Winters on wooded freshwater wetlands.
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
Wood Duck
Male gives a loud, rising 'jeeee' whistle; female gives a soft, nasal 'oo-eek'. One of North America's most beautiful ducks; its call matches its spectacular appearance.
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
Wood Duck
Breeds in Eurasia; winters across tropical and southern Africa, the Middle East, and South and Southeast Asia.
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Estado de conservação
Wood Duck
African Pygmy-goose
How to Tell Them Apart
Wood Duck
Males iridescent green and purple-crested head with white throat patches and facial stripes. Chestnut breast, buffy flanks, dark back. Red eye and bill. Females gray-brown with white eye-ring teardrop. Spectacular …
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
Wood Duck
Um dos patos mais vistosos da América do Norte, pertencente à família Anatidae. O Pato-carolina (Aix sponsa) habita florestas ripárias e zonas úmidas arboladas no leste da América do Norte e na costa do Pacífico. Mede aproximadamente 47-54 cm. Os machos têm plumagem nupcial elaborada com crista verde e roxa iridescente, patches vermelhos e brancos no rosto. Nidifica em cavidades de árvores próximas a água. Alimenta-se de sementes, frutos e insetos aquáticos. Um dos poucos patos que empoleira em árvores. …
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.