Plumed Whistling-duck vs Spotted Whistling-duck
Dendrocygna eytoni 比較対象 Dendrocygna guttata
Side-by-Side Comparison
| 属性 | Plumed Whistling-duck | Spotted Whistling-duck |
|---|---|---|
| 学名 | Dendrocygna eytoni | Dendrocygna guttata |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 46.4 cm (18.3 in) | 41.3 cm (16.3 in) |
| 体重 | 877.5 g (30.95 oz) | 677.5 g (23.90 oz) |
| 食性 | Grazes short tundra grasses; also takes aquatic vegetation; large Arctic goose wintering on coastal marshes … | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| 一腹卵数 | 8-14 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
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.
Spotted Whistling-duck
Freshwater wetlands, rice fields, streams, and forest pools in New Guinea, Sulawesi, the Philippines, and Moluccas. Often found near forested rivers and seasonal swamps at low elevations.
Song & Call Comparison
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.
Spotted Whistling-duck
A musical, high whistle similar to other whistling-ducks. Call is softer and less far-carrying than White-faced or Black-bellied species. Given in flight and on water.
Geographic Range & Migration
Plumed Whistling-duck
Breeds in the Holarctic tundra and boreal zones; winters on temperate coasts and large inland lakes globally.
Spotted Whistling-duck
Ranges widely across sub-Saharan Africa in open woodland and savanna. Largely sedentary with local seasonal movements to water.
保全状況
Plumed Whistling-duck
Spotted Whistling-duck
How to Tell Them Apart
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.
Spotted Whistling-duck
Dark brown above; head and neck dark brown. Underparts heavily spotted white on dark brown ground, giving spotted appearance. Flanks with bold white spots. Pink-red bill and legs. Sexes similar.
About These Birds
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。
Spotted Whistling-duck
スポッテドウィスリングダックはインドネシア、フィリピン、パプアニューギニアに分布するツリーダックです。白い斑点のある褐色の羽毛が特徴で、夜間に特徴的な笛のような声でさえずります。熱帯の湿地、稲田、マングローブ林に生息し、草の種子や水草を採食します。