Wandering Whistling-duck vs Maccoa Duck
Dendrocygna arcuata 比較対象 Oxyura maccoa
Side-by-Side Comparison
| 属性 | Wandering Whistling-duck | Maccoa Duck |
|---|---|---|
| 学名 | Dendrocygna arcuata | Oxyura maccoa |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保全状況 | Least Concern | Endangered |
| 体長 | — | — |
| 翼開長 | 37.2 cm (14.6 in) | 31.3 cm (12.3 in) |
| 体重 | 779.5 g (27.50 oz) | 685.3333333333334 g (24.17 oz) |
| 食性 | Eats grasses, sedges, and aquatic plants in tundra; winter diet of coastal salt marsh grasses … | Dives for aquatic invertebrates and plant seeds in African lakes and marshes. Uses lobed feet … |
| 一腹卵数 | 6-15 | 4-12 |
| 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.
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.
Maccoa Duck
Male emits a rapid, staccato drumming display; female gives a harsh, emphatic quack. The drumming call is powerful and diagnostic; this endangered southern African stiff-tail displays at dawn.
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.
Maccoa Duck
Resident in eastern and southern Africa from Ethiopia and Kenya south to the Cape. Found on lakes and marshes with dense aquatic vegetation.
保全状況
Wandering Whistling-duck
Maccoa 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.
Maccoa Duck
Male has glossy black head, deep chestnut-red body, and vivid sky-blue bill; stiff tail often cocked. Female is dark brown above with streaked buff below and two pale facial stripes …
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。
Maccoa Duck
マコアダックはアフリカ東部と南部に分布する潜水性カモです。雄は栗色の体と青い嘴が特徴的で、尾を立てて泳ぐ習性があります。深い葦原に覆われた湖や湿地に生息し、水草の種子や無脊椎動物を潜って採食します。