Greater White-fronted Goose vs Scaly-sided Merganser
Anser albifrons 비교 대상 Mergus squamatus
Side-by-Side Comparison
| 속성 | Greater White-fronted Goose | Scaly-sided Merganser |
|---|---|---|
| 학명 | Anser albifrons | Mergus squamatus |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Endangered |
| 체장 | — | — |
| 날개 폭 | 81.6 cm (32.1 in) | 51.2 cm (20.2 in) |
| 체중 | 2471.0 g (87.16 oz) | 1145.8 g (40.42 oz) |
| 식성 | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | Dives for fish in fast-flowing East Asian rivers. Endangered; highly piscivorous with serrated bill adapted … |
| 산란 수 | 3-9 | 4-14 |
| Population Trend | — | — |
Habitat Comparison
공유 서식지
Greater White-fronted Goose only
Scaly-sided Merganser 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.
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.
Scaly-sided Merganser
Male gives a quiet, low grunting call; female produces a guttural, croaking series. Endangered; calls are poorly known; similar to Red-breasted Merganser but quieter in Manchurian forest rivers.
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.
Scaly-sided Merganser
Breeds in southern Russia, northern China, and the Russian Far East. Winters in southern China and Korea. Found on fast-flowing forested rivers.
보전 상태
Greater White-fronted Goose
Scaly-sided Merganser
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 …
Scaly-sided Merganser
Male has iridescent dark green head with long flat crest, white body with distinctive black scaly pattern on flanks, and black back with white patches. Female has brownish-red crested head …
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.
Scaly-sided Merganser
대형 물오리로 체장 약 58cm이며, 수컷은 광택 있는 녹색 머리에 비늘 모양 가슴 무늬와 빨간 부리를 갖는다. 중국, 러시아 극동, 한국의 맑은 강과 계류에 서식하는 동아시아 고유종이다. 잠수하여 어류를 먹는다. 위기에 처한 상태이다.