Greater White-fronted Goose vs White-winged Duck
Anser albifrons 비교 대상 Asarcornis scutulata
Side-by-Side Comparison
| 속성 | Greater White-fronted Goose | White-winged Duck |
|---|---|---|
| 학명 | Anser albifrons | Asarcornis scutulata |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Critically Endangered |
| 체장 | — | — |
| 날개 폭 | 81.6 cm (32.1 in) | 68.3 cm (26.9 in) |
| 체중 | 2471.0 g (87.16 oz) | 2950.0 g (104.06 oz) |
| 식성 | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | Feeds on seeds, plant material, and aquatic invertebrates; dabbles in shallow water; diet varies widely … |
| 산란 수 | 3-9 | 6-15 |
| Population Trend | — | — |
Habitat Comparison
공유 서식지
Greater White-fronted Goose only
White-winged Duck only
Greater White-fronted Goose
Breeds on Arctic and subarctic tundra and peatlands. Winters on estuaries, agricultural fields, freshwater marshes, and flooded meadows across Europe, Asia, and North America. One of the most widespread geese.
White-winged Duck
Undisturbed lowland tropical forest near slow rivers, pools, and forest swamps at low elevations in northeastern India, Bangladesh, Myanmar, and Sumatra. Requires large trees with nest cavities near permanent water.
Song & Call Comparison
Greater White-fronted Goose
A loud, laughing 'kow-lyuk' or musical 'wah-wah'. Gives a distinctive high-pitched yodeling quality lacking in Greylag. Highly vocal in large winter flocks.
White-winged Duck
Critically endangered; extremely rare in wild. Gives low guttural hissing calls and soft wing-beating sounds. Vocalizations in wild scarcely documented given its rarity.
Geographic Range & Migration
Greater White-fronted Goose
Breeds in the potholes region of the northern Great Plains; winters in the southern United States and along the Gulf Coast.
White-winged Duck
Breeds in northern Eurasia; winters in sub-Saharan Africa. A classic Palearctic–African migrant with a wide wintering range.
보전 상태
Greater White-fronted Goose
White-winged Duck
How to Tell Them Apart
Greater White-fronted Goose
Brown-gray body with white forehead patch bordered by white band at bill base. Underparts with bold irregular black bars on belly. Orange bill; orange-yellow legs. Juveniles lack white front and …
White-winged Duck
Dark brown body with pale spotting on head and neck. Bold white wing patch visible in flight. Yellowish-orange bill; legs orange. Head pale buffish-white speckled brown. Critically endangered SE Asian …
About These Birds
Greater White-fronted Goose
흰이마기러기는 북극 툰드라에서 번식하고 온대 지역에서 월동하는 기러기입니다. 성체의 흰 이마와 오렌지색 다리가 특징이며, 농경지와 초원에서 풀과 곡물을 먹습니다.
White-winged Duck
창백하게 점박이 무늬가 있는 머리, 갈색 몸통, 비행 중 넓은 흰 날개 반점이 있는 큰 어두운 오리입니다. 아시아에서 가장 멸종위기에 처한 오리 중 하나입니다. 남아시아와 동남아시아의 강 근처 미개발 저지대 숲에 서식합니다. 큰 나무 구멍에 둥지를 틉니다. 삼림 벌채와 사냥으로 위협받고 있습니다.