Greater White-fronted Goose vs Puna Teal
Anser albifrons 比較対象 Spatula puna
Side-by-Side Comparison
| 属性 | Greater White-fronted Goose | Puna Teal |
|---|---|---|
| 学名 | Anser albifrons | Spatula puna |
| 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) | 42.8 cm (16.9 in) |
| 体重 | 2471.0 g (87.16 oz) | 507.75 g (17.91 oz) |
| 食性 | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | Eats seeds and aquatic invertebrates; dabbles in shallow freshwater; diet more invertebrate-heavy in spring breeding … |
| 一腹卵数 | 3-9 | 5-6 |
| 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.
Puna Teal
High-altitude lakes, salars, and marshy bogs on the puna and altiplano at 3,500–5,000 m in Peru, Bolivia, Chile, and northwestern Argentina. Associated with brackish and freshwater high-altitude wetlands.
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.
Puna Teal
Male gives a clear, high whistle; female responds with a soft, descending quack. The clean whistled note carries distinctly across high-altitude Andean wetlands and salt 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.
Puna Teal
Breeds in sub-Arctic and boreal Eurasia; winters on temperate coastlines and large lakes of Europe and Asia.
保全状況
Greater White-fronted Goose
Puna Teal
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 …
Puna Teal
Pale gray body finely vermiculated. Black cap extending to nape contrasting with white face and throat. Bright pale blue bill. Blue forewing patch in flight; green speculum. Sexes similar. High …
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。
Puna Teal
A medium-sized pale grey teal with a distinctive blue-grey bill, dark cap, and black-and-white back pattern. Restricted to high Andean wetlands. Found in large flocks on puna lakes and salars. Closely related to Silver Teal; sometimes treated as conspecific.