Plumed Whistling-duck vs Spotted Whistling-duck
Dendrocygna eytoni 对比 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 |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 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 … |
| 产卵数 | 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.
保护状况
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
草地树鸭是澳大利亚特有的树鸭,以雄鸟两翼上发达的浅色羽冠著称。体型较大,体羽浅褐色,嘴部粉红色,腿部粉色。广泛分布于澳大利亚北部和东部的草地、稻田和湿地,主要在陆地上觅食草叶和种子,常结大群活动,在树木和灌木丛中栖息。
Spotted Whistling-duck
斑树鸭是东南亚和西南太平洋的树鸭,分布于印度尼西亚、菲律宾、巴布亚新几内亚及澳大利亚北部。体羽深褐色,胸部和腹部具白色斑点,嘴灰黑色。栖息于热带雨林的湖泊、河流和湿地,以水生植物、种子和无脊椎动物为食,在树洞中营巢。