Wandering Whistling-duck vs Pink-eared Duck
Dendrocygna arcuata 比較対象 Malacorhynchus membranaceus
Side-by-Side Comparison
| 属性 | Wandering Whistling-duck | Pink-eared Duck |
|---|---|---|
| 学名 | Dendrocygna arcuata | Malacorhynchus membranaceus |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 37.2 cm (14.6 in) | 36.7 cm (14.4 in) |
| 体重 | 779.5 g (27.50 oz) | 366.25 g (12.92 oz) |
| 食性 | Eats grasses, sedges, and aquatic plants in tundra; winter diet of coastal salt marsh grasses … | Highly specialized filter-feeder; spatulate bill strains algae and zooplankton from turbid Australian floodwaters; tracks inland … |
| 一腹卵数 | 6-15 | 6-8 |
| Population Trend | — | — |
Habitat Comparison
Wandering Whistling-duck
Tropical freshwater marshes, flooded grasslands, swamps, and lake margins from the Philippines and Indonesia through Papua New Guinea to northern and eastern Australia. Nomadic following wet season flooding.
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
Wandering Whistling-duck
A soft whistle 'whi-whi-whi' in flight. Less vocal than other whistling-ducks; flocks tend to be quieter. Given at dawn and dusk during flight to roosting or feeding areas.
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
Wandering Whistling-duck
Breeds in Arctic and subarctic regions; winters at sea around the Antarctic pack ice, one of the longest migrations known.
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
Wandering Whistling-duck
Pink-eared Duck
How to Tell Them Apart
Wandering Whistling-duck
Rich chestnut-brown head and neck; dark brown back. Flanks rufous with pale buff streaks and dark spots. Belly blackish. Long, dark pinkish legs. Upright posture typical of whistling-ducks. 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
Wandering Whistling-duck
ワンデリングウィスリングダックは東南アジアからオーストラリアにかけて分布するツリーダックです。栗色の羽毛と長い首が特徴で、群れで移動します。湿地、稲田、水草に覆われた湖に生息し、水草、種子、藻類を採食します。
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。