Greater White-fronted Goose vs Hooded Merganser
Anser albifrons 对比 Lophodytes cucullatus
Side-by-Side Comparison
| 属性 | Greater White-fronted Goose | Hooded Merganser |
|---|---|---|
| 学名 | Anser albifrons | Lophodytes cucullatus |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 81.6 cm (32.1 in) | 37.3 cm (14.7 in) |
| 体重 | 2471.0 g (87.16 oz) | 638.0 g (22.50 oz) |
| 食性 | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | Dives for small fish, aquatic invertebrates, and frogs in clear freshwater streams and ponds. Uses … |
| 产卵数 | 3-9 | 6-18 |
| 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.
Hooded Merganser
Male produces a low, rolling rolling-tum tumbling call; female gives a harsh, grating quack. The male's frog-like rolling call is unique among North American ducks during winter courtship.
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.
Hooded Merganser
Breeds in forested wetlands of North America from southern Canada to the northern United States. Winters on rivers and lakes south to Mexico.
保护状况
Greater White-fronted Goose
Hooded 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 …
Hooded Merganser
Male has fan-shaped black-and-white erectile crest; black head and neck, white breast with two black bars, rich cinnamon flanks. Female is greyish-brown with rusty-cinnamon crest, paler below.
About These Birds
Greater White-fronted Goose
A medium-large goose with a white forehead patch, orange bill, grey-brown plumage, and variable black barring on the belly. Widespread and numerous; one of the most abundant geese in the world. Breeds across the high Arctic; winters in a wide range of temperate wetland and agricultural habitats.
Hooded Merganser
冠秋沙鸭是北美最小的锯嘴鸭，以雄鸟能展开和折叠的大型扇形白色羽冠著称。繁殖于北美东部和西部的林地湖泊，在树洞中营巢，越冬于南部沿海和内陆水域。雄鸟黑白相间，冠羽醒目；雌鸟褐色，冠羽棕色。以鱼类、甲壳类和水生昆虫为食。