Greater White-fronted Goose vs White-headed Duck
Anser albifrons 비교 대상 Oxyura leucocephala
Side-by-Side Comparison
| 속성 | Greater White-fronted Goose | White-headed Duck |
|---|---|---|
| 학명 | Anser albifrons | Oxyura leucocephala |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Endangered |
| 체장 | — | — |
| 날개 폭 | 81.6 cm (32.1 in) | 29.7 cm (11.7 in) |
| 체중 | 2471.0 g (87.16 oz) | 705.0 g (24.87 oz) |
| 식성 | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | Dives for aquatic invertebrates, seeds, and plant roots in Mediterranean and Central Asian wetlands. Critically … |
| 산란 수 | 3-9 | 3-10 |
| 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.
White-headed Duck
Male produces a mechanical, rapid bill-drumming; female gives a harsh, grating quack. The drumming staccato display is the same pattern as other Oxyura stiff-tails; heard on Eurasian steppe lakes.
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-headed Duck
Breeds in Spain, Turkey, central Asia, and Mongolia. Winters in the Mediterranean, the Middle East, and northern India. Globally endangered.
보전 상태
Greater White-fronted Goose
White-headed 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-headed Duck
Male has entirely white head with small black crown patch, rich chestnut-brown body, and large bulbous powder-blue bill. Female is brown with pale whitish face divided by dark streak across …
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-headed Duck
A stiff-tailed duck (~705 g) of family Anatidae, males with a distinctive white head and swollen blue bill. Breeds on brackish and freshwater lakes in Spain and Central Asia; winters in Mediterranean and Central Asian wetlands. Dives for aquatic vegetation and invertebrates. Endangered due to hunting, hybridization with introduced Ruddy Duck, and wetland loss.