Spotted Whistling-duck vs Pink-eared Duck
Dendrocygna guttata 比較対象 Malacorhynchus membranaceus
Side-by-Side Comparison
| 属性 | Spotted Whistling-duck | Pink-eared Duck |
|---|---|---|
| 学名 | Dendrocygna guttata | Malacorhynchus membranaceus |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 41.3 cm (16.3 in) | 36.7 cm (14.4 in) |
| 体重 | 677.5 g (23.90 oz) | 366.25 g (12.92 oz) |
| 食性 | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … | Highly specialized filter-feeder; spatulate bill strains algae and zooplankton from turbid Australian floodwaters; tracks inland … |
| 一腹卵数 | 10-11 | 6-8 |
| Population Trend | — | — |
Habitat Comparison
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.
Pink-eared Duck
Ephemeral and permanent inland wetlands, flooded grasslands, and claypans across Australia. Highly nomadic, following unpredictable inland flooding. Most common in the Murray-Darling Basin in flood years.
Song & Call Comparison
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.
Pink-eared Duck
A soft, high-pitched rattling 'zarr-zarr' or reedy whistle. Considered a quiet duck. Calls while feeding in shallow Australian wetlands and flooded grasslands.
Geographic Range & Migration
Spotted Whistling-duck
Ranges widely across sub-Saharan Africa in open woodland and savanna. Largely sedentary with local seasonal movements to water.
Pink-eared Duck
Breeds across Eurasia; winters across sub-Saharan Africa. One of the most widespread Palearctic–African long-distance migrants.
保全状況
Spotted Whistling-duck
Pink-eared Duck
How to Tell Them Apart
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.
Pink-eared Duck
Pale gray-brown body with bold dark brown barring on flanks. Brown-streaked crown; white face with brown eye-patch. Tiny pink ear-spot behind eye. Wide gray spatulate bill. Striped flanks diagnostic. Sexes …
About These Birds
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。
Pink-eared Duck
オーストラリア固有のピンクイヤーダック。体長36〜40cm。白い顔の耳部に特徴的なピンク色の斑点がある。内陸の浅い湖や湿地に生息し、水中のプランクトンや植物を濾過して採食する。低危険種。