Greater White-fronted Goose vs Long-tailed Duck
Anser albifrons 비교 대상 Clangula hyemalis
Side-by-Side Comparison
| 속성 | Greater White-fronted Goose | Long-tailed Duck |
|---|---|---|
| 학명 | Anser albifrons | Clangula hyemalis |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Vulnerable |
| 체장 | — | — |
| 날개 폭 | 81.6 cm (32.1 in) | 43.1 cm (17.0 in) |
| 체중 | 2471.0 g (87.16 oz) | 782.0 g (27.58 oz) |
| 식성 | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | Dives deeply for crustaceans, molluscs, and small fish in Arctic and subarctic seas. Freshwater invertebrates … |
| 산란 수 | 3-9 | 2-11 |
| 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.
Long-tailed Duck
Male sings a musical, yodeling ow-owlet-aaaalett sequence; female gives a low, grunting quack. The male's loud, harmonious yodeling is arguably the most musical call among all waterfowl species.
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.
Long-tailed Duck
Circumpolar High Arctic breeder. Winters at sea on coasts of northwestern Europe, northeastern North America, and the Bering Sea region.
보전 상태
Greater White-fronted Goose
Long-tailed 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 …
Long-tailed Duck
Male in winter is mostly white with dark brown chest band, scapulars, and cheek patch; elongated central tail feathers extend well beyond body. Female is brownish with white face, dark …
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.
Long-tailed Duck
A medium-sized Arctic sea duck (~780 g) in family Anatidae, males having elongated central tail feathers. Breeds across circumpolar tundra; winters in large flocks on coastal and open-ocean waters. Dives to impressive depths for crustaceans, fish, and mollusks. Vulnerable; steep population declines linked to bycatch in fishing nets and climate change.