African Pygmy-goose vs Baikal Teal
Nettapus auritus 对比 Sibirionetta formosa
Side-by-Side Comparison
| 属性 | African Pygmy-goose | Baikal Teal |
|---|---|---|
| 学名 | Nettapus auritus | Sibirionetta formosa |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 29.9 cm (11.8 in) | 41.2 cm (16.2 in) |
| 体重 | 272.5 g (9.61 oz) | 446.75 g (15.76 oz) |
| 食性 | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … | Dabbles for seeds, aquatic invertebrates, and plant matter; omnivorous diet varies with season and water … |
| 产卵数 | 6-12 | 4-10 |
| 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.
Baikal Teal
Breeds in boreal taiga along Siberian rivers and boggy ground from western to northeastern Siberia. Winters on freshwater lakes and rice fields in South Korea, Japan, and eastern China.
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.
Baikal Teal
Male gives a soft, liquid wot-wot call; female produces a low, nasal quack. Wintering flocks create a musical murmuring chorus of whistled notes on East Asian wetlands.
Geographic Range & Migration
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Baikal Teal
Breeds in montane and boreal zones across Eurasia; winters at lower elevations and southern latitudes in Europe and Asia.
保护状况
African Pygmy-goose
Baikal Teal
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.
Baikal Teal
Males have exquisitely patterned green-and-buff head with bold white and black facial stripes. Pinkish breast with black spots; gray flanks; long drooping scapulars. Females brown with white loral spot and …
About These Birds
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.
Baikal Teal
花脸鸭（参见anas-formosa条）是东亚特有的小型鸭子，繁殖于西伯利亚东部，越冬于日本、朝鲜和中国东部。雄鸟脸部具复杂的绿、黄、黑图案，翼镜绿色；雌鸟褐色。因过度猎捕和湿地减少，数量大幅下降，被列为易危物种。