Greater White-fronted Goose vs Plumed Whistling-duck
Anser albifrons 比較対象 Dendrocygna eytoni
Side-by-Side Comparison
| 属性 | Greater White-fronted Goose | Plumed Whistling-duck |
|---|---|---|
| 学名 | Anser albifrons | Dendrocygna eytoni |
| 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) | 46.4 cm (18.3 in) |
| 体重 | 2471.0 g (87.16 oz) | 877.5 g (30.95 oz) |
| 食性 | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | Grazes short tundra grasses; also takes aquatic vegetation; large Arctic goose wintering on coastal marshes … |
| 一腹卵数 | 3-9 | 8-14 |
| Population Trend | — | — |
Habitat Comparison
共通生息地
Greater White-fronted Goose only
Plumed Whistling-duck only
None
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.
Plumed Whistling-duck
Grassy tropical wetland margins, flooded plains, and well-watered pastures in northern and eastern Australia. Grazes on land near water at night; rests on open ground or in trees during the day.
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.
Plumed Whistling-duck
A high, reedy whistling call similar to other Dendrocygna. Plumed Whistling-duck gives 'grassy' grassland calls. Less musical than White-faced; contact notes are short whistles.
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.
Plumed Whistling-duck
Breeds in the Holarctic tundra and boreal zones; winters on temperate coasts and large inland lakes globally.
保全状況
Greater White-fronted Goose
Plumed Whistling-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 …
Plumed Whistling-duck
Pale brown head and neck; chestnut-brown back. Distinctive long, pale golden plumes extend from flanks. Breast pale pink with dark spots. Belly pale. Long pink legs. Upright posture. Sexes similar.
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。
Plumed Whistling-duck
プランプエルスウィスリングダックはオーストラリア北部に固有のツリーダックです。腹の側面から垂れ下がる長い羽毛のフリルが特徴的です。草原、牧草地、湿地に生息し、主に草を採食します。乾季には草原で大群を作ります。