Greater White-fronted Goose vs Siberian Scoter
Anser albifrons 비교 대상 Melanitta stejnegeri
Side-by-Side Comparison
| 속성 | Greater White-fronted Goose | Siberian Scoter |
|---|---|---|
| 학명 | Anser albifrons | Melanitta stejnegeri |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 81.6 cm (32.1 in) | 53.4 cm (21.0 in) |
| 체중 | 2471.0 g (87.16 oz) | 1267.5 g (44.71 oz) |
| 식성 | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | Dives for bivalves, crustaceans, and aquatic invertebrates in coastal East Asian waters. Diet similar to … |
| 산란 수 | 3-9 | 6-9 |
| Population Trend | — | — |
Habitat Comparison
공유 서식지
Greater White-fronted Goose only
Siberian Scoter 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.
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.
Siberian Scoter
Male emits a soft, piping whistle; female produces a guttural, grating call. Voice resembles White-winged Scoter; heard during winter on East Asian coasts and large inland seas.
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.
Siberian Scoter
Breeds in boreal forests and tundra of central and eastern Siberia. Winters along the coasts of Japan, Korea, and northeastern China.
보전 상태
Greater White-fronted Goose
Siberian Scoter
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 …
Siberian Scoter
Male is uniformly black with white secondaries forming wing patch; orange-yellow bill has large black knob at base and pale yellow tip. Female dark brown with paler facial patches and …
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.
Siberian Scoter
대형 해오리로 체장 51–60cm이며, 수컷은 검은 전신에 흰 눈 반점과 화려한 오렌지색-노란색 부리를 갖는다. 북동아시아 습지에서 번식하고 동아시아 해안에서 월동한다. 잠수하여 연체동물을 먹는다. 취약한 상태이다.