Greater White-fronted Goose vs Bufflehead
Anser albifrons 비교 대상 Bucephala albeola
Side-by-Side Comparison
| 속성 | Greater White-fronted Goose | Bufflehead |
|---|---|---|
| 학명 | Anser albifrons | Bucephala albeola |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 81.6 cm (32.1 in) | 32.2 cm (12.7 in) |
| 체중 | 2471.0 g (87.16 oz) | 400.5 g (14.13 oz) |
| 식성 | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | Dives for aquatic insects, crustaceans, and small molluscs in freshwater and coastal habitats. One of … |
| 산란 수 | 3-9 | 5-14 |
| Population Trend | — | — |
Habitat Comparison
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.
Bufflehead
Male produces a soft, squeaky whistle; female gives a harsh, nasal quack. The male's thin, reedy whistle is barely audible; pairs exchange quiet contact calls at boreal forest ponds.
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.
Bufflehead
Breeds in boreal forest of western and central North America. Winters along both coasts and interior lakes from southern Canada south to Mexico.
보전 상태
Greater White-fronted Goose
Bufflehead
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 …
Bufflehead
Male has iridescent green-purple head with a large triangular white patch from behind eye over crown; body clean white except for black back. Female is dark sooty-brown with a single …
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.
Bufflehead
북미에서 가장 작은 잠수오리(약 400g)로, 수컷은 큰 흰 머리 반점이 있는 자줏빛 녹색 홍채를 가집니다. 딱따구리 구멍에 둥지를 틀어 연못과 호수 근처 삼림 지역에서 번식하며, 해안 만과 내륙 수역에서 월동합니다. 수생 무척추동물과 소형 물고기를 먹습니다. 안정적 개체수의 관심대상 종입니다.