Smew vs African Pygmy-goose
Mergellus albellus 对比 Nettapus auritus
Side-by-Side Comparison
| 属性 | Smew | African Pygmy-goose |
|---|---|---|
| 学名 | Mergellus albellus | Nettapus auritus |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 37.5 cm (14.8 in) | 29.9 cm (11.8 in) |
| 体重 | 658.75 g (23.24 oz) | 272.5 g (9.61 oz) |
| 食性 | Dives for small fish, aquatic insects, and crustaceans in freshwater and coastal habitats. Uses serrated … | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| 产卵数 | 5-11 | 6-12 |
| Population Trend | — | — |
Habitat Comparison
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
Smew
Male gives a soft, crow-like krr note; female produces a grating, rasping call. Both sexes are relatively quiet; the male's harsh, crow-like call is surprisingly low for such a small …
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
Smew
Breeds in boreal forests of northern Europe and Siberia. Winters on large lakes and coasts from western Europe east to Japan and China.
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
保护状况
Smew
African Pygmy-goose
How to Tell Them Apart
Smew
Male is largely white with black eye patch, black lines on back, and fine black lines on flanks creating a cracked-ice pattern. Female has chestnut-red head, white cheeks, and grey …
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
Smew
白秋沙鸭是最小的秋沙鸭，雄鸟羽色精美：全身白色为主，背部和头部具黑色斑纹，极为醒目；雌鸟头部褐色，有白色脸斑。繁殖于欧亚北部针叶林的湖泊，越冬于西欧、黑海和中国东部。以鱼类和水生无脊椎动物为食，在树洞中营巢，常利用黑啄木鸟的旧巢。
African Pygmy-goose
A tiny jewel-like duck—one of Africa's smallest waterfowl. Males have iridescent green-and-white plumage, an orange bill, and a dark green cap; females are mottled brown. Found on lily-covered lakes in sub-Saharan Africa. Perches on water lily pads and feeds on their seeds and flowers.