Greater White-fronted Goose vs Greater Scaup
Anser albifrons 비교 대상 Aythya marila
Side-by-Side Comparison
| 속성 | Greater White-fronted Goose | Greater Scaup |
|---|---|---|
| 학명 | Anser albifrons | Aythya marila |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 81.6 cm (32.1 in) | 42.7 cm (16.8 in) |
| 체중 | 2471.0 g (87.16 oz) | 984.0 g (34.71 oz) |
| 식성 | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | Eats molluscs, crustaceans, and aquatic invertebrates in coastal and freshwater habitats; diet shifts between invertebrate … |
| 산란 수 | 3-9 | 4-12 |
| Population Trend | — | — |
Habitat Comparison
공유 서식지
Greater White-fronted Goose only
없음
Greater Scaup 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.
Greater Scaup
Breeds on tundra and boreal lakes in the Arctic and subarctic across Eurasia and North America. Winters in large numbers on coastal bays, estuaries, and large lakes in temperate regions.
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.
Greater Scaup
Male gives a low, purring wheeze; female produces a harsh, rolling quacking sequence. Calls are very similar to Lesser Scaup but slightly lower-pitched; heard on open ocean bays in winter.
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.
Greater Scaup
Breeds in the high Arctic of North America; winters offshore on the Atlantic coast from Labrador to South Carolina.
보전 상태
Greater White-fronted Goose
Greater Scaup
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 …
Greater Scaup
Males have glossy green-black rounded head; white flanks and belly; black breast and undertail; gray back. Yellow eye. Bill blue-gray. Females dark brown with white face patch around bill. Longer …
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.
Greater Scaup
중간 크기의 잠수오리입니다. 수컷은 둥근 녹색 광택 머리, 흰 옆구리, 검은 가슴을 가지며 암컷은 부리 주위에 흰색이 있는 갈색입니다. 작은흰죽지와 유사하지만 머리 모양과 손톱 너비로 구별됩니다. 큰 개활 수역에서 발견됩니다.