Greater White-fronted Goose vs Muscovy Duck
Anser albifrons 比較対象 Cairina moschata
Side-by-Side Comparison
| 属性 | Greater White-fronted Goose | Muscovy Duck |
|---|---|---|
| 学名 | Anser albifrons | Cairina moschata |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 81.6 cm (32.1 in) | 69.0 cm (27.2 in) |
| 体重 | 2471.0 g (87.16 oz) | 2140.0 g (75.49 oz) |
| 食性 | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | -- |
| 一腹卵数 | 3-9 | 8-15 |
| 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.
Muscovy Duck
Tropical and subtropical lowland forest near rivers, lakes, mangroves, and wetlands from Mexico through Central America to Peru, Bolivia, and Uruguay. Common near forest-edge water. Feral populations worldwide.
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.
Muscovy Duck
Males are nearly silent; females give a raspy, low 'grrrr' hiss when threatened. Domesticated birds familiar worldwide but wild birds are surprisingly quiet and secretive.
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.
Muscovy Duck
保全状況
Greater White-fronted Goose
Muscovy 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 …
Muscovy Duck
Glossy black plumage with large white wing patches. Bare red facial skin with warty caruncles, more extensive in males. Males larger; females less knobby-faced. Dark bill. Domestic forms vary widely …
About These Birds
Greater White-fronted Goose
北極圏で繁殖し、温帯で越冬する大型のガン（体長64〜81cm）。成鳥は白い額と黒い腹部の横縞が特徴。Anser albifrons（マガン）は東アジア、ヨーロッパ、北米の広大な農地や湿地で越冬する。日本では宮城県伊豆沼などが重要な越冬地で、数万羽が集まる壮観な光景が見られる。Anatidae科。
Muscovy Duck
バリケンはメキシコから南米にかけて分布する大型のカモです。雄は顔の赤い肉垂が特徴的です。家禽として世界中で飼育されており、熱帯の湿地、川、沼地に生息します。木の洞に営巣し、草、種子、昆虫を採食します。