Greater White-fronted Goose vs Masked Duck
Anser albifrons 비교 대상 Nomonyx dominicus
Side-by-Side Comparison
| 속성 | Greater White-fronted Goose | Masked Duck |
|---|---|---|
| 학명 | Anser albifrons | Nomonyx dominicus |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 81.6 cm (32.1 in) | 27.6 cm (10.9 in) |
| 체중 | 2471.0 g (87.16 oz) | 361.0 g (12.73 oz) |
| 식성 | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | Dives and dabbles for aquatic seeds, plant matter, and invertebrates in freshwater marshes and ponds … |
| 산란 수 | 3-9 | 4-6 |
| 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.
Masked Duck
Male emits a soft, dove-like cooing note; female gives a harsh, emphatic quack. The male's gentle, almost melodic cooing is surprising for a stiff-tail; heard in tropical American marshes.
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.
Masked Duck
Resident from Mexico and the Caribbean south through Central America to northern South America. Found in lowland freshwater marshes and lagoons.
보전 상태
Greater White-fronted Goose
Masked 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 …
Masked Duck
Male is rich rufous-chestnut with black mask from forehead to face, boldly spotted black on upperparts; blue bill. Female is streaked buff and brown with two dark facial stripes crossing …
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.
Masked Duck
A small stiff-tailed duck (~360 g) of family Anatidae, breeding males with a black mask and chestnut body. Inhabits densely vegetated freshwater marshes and ponds from southern Texas to South America and the Caribbean. Dives for seeds and aquatic invertebrates. Secretive and rarely observed. Least Concern; tolerates a broad range of wetland habitats.