Yellow-billed Teal vs African Pygmy-goose
Anas flavirostris 비교 대상 Nettapus auritus
Side-by-Side Comparison
| 속성 | Yellow-billed Teal | African Pygmy-goose |
|---|---|---|
| 학명 | Anas flavirostris | Nettapus auritus |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 38.2 cm (15.0 in) | 29.9 cm (11.8 in) |
| 체중 | 609.0 g (21.48 oz) | 272.5 g (9.61 oz) |
| 식성 | Dives for molluscs, crustaceans, and aquatic invertebrates in coastal and freshwater habitats; diet dominated by … | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| 산란 수 | 5-13 | 6-12 |
| Population Trend | — | — |
Habitat Comparison
Yellow-billed Teal
Freshwater lakes, marshes, rivers, and bogs from sea level to 4,500 m across South America from Colombia and Venezuela south to Tierra del Fuego. Common at high-altitude Andean lakes and puna 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
Yellow-billed Teal
Male utters a high-pitched, clear whistle; female gives a soft, muffled quack. Quiet calls suit the high-altitude Andean wetlands where this teal forages in shallow freshwater.
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
Yellow-billed Teal
Breeds in northern Canada and Alaska; winters on the Atlantic coast from Labrador to South Carolina and in Chesapeake Bay.
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
보전 상태
Yellow-billed Teal
African Pygmy-goose
How to Tell Them Apart
Yellow-billed Teal
Brownish-gray body finely mottled with dark spots. Diagnostic bright yellow bill with dark culmen stripe. Speculum iridescent green. Head grayish-brown, slightly darker crown. Sexes similar. Andean and Patagonian lakes.
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
Yellow-billed Teal
노란부리 오리 또는 틸 오리는 남아메리카의 안데스 산맥과 파타고니아에 서식하는 소형 오리입니다. 수컷과 암컷이 비슷하게 생겼으며, 특징적인 노란색 부리와 갈색의 줄무늬 깃털을 가지고 있습니다.
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.