Wandering Whistling-duck vs Red Shoveler
Dendrocygna arcuata 比較対象 Spatula platalea
Side-by-Side Comparison
| 属性 | Wandering Whistling-duck | Red Shoveler |
|---|---|---|
| 学名 | Dendrocygna arcuata | Spatula platalea |
| 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) | 42.0 cm (16.5 in) |
| 体重 | 779.5 g (27.50 oz) | 511.6 g (18.05 oz) |
| 食性 | Eats grasses, sedges, and aquatic plants in tundra; winter diet of coastal salt marsh grasses … | Feeds on seeds and aquatic invertebrates in shallow water; diet shifts between plant matter and … |
| 一腹卵数 | 6-15 | 5-10 |
| 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.
Red Shoveler
Freshwater and brackish lakes, marshes, and seasonal lagoons in southern South America from Peru and Bolivia south through Chile and Argentina to Tierra del Fuego. Partially migratory; moves northward in winter.
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.
Red Shoveler
Male emits a low, grunting kuk note; female gives a quiet, rhythmic quacking series. Pairs are generally silent; soft contact calls heard at dusk on South American grassland ponds.
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.
Red Shoveler
Breeds in Iceland, Greenland, and Arctic Canada; winters along the coasts of northwestern Europe and the British Isles.
保全状況
Wandering Whistling-duck
Red Shoveler
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.
Red Shoveler
Males reddish-cinnamon with dense dark spotting; pale blue-gray head with white eye and dark streaks. Pale blue forewing and green speculum in flight. Broad spatulate bill. Females brown, mottled. South …
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。
Red Shoveler
A medium-sized shoveler with a distinctive spatula-shaped bill. Males are pale orange-brown with dark spots, grey-blue wing patch, and dark green speculum; females are mottled brown. Found across southern South America. Swims with bill tip in water, filtering zooplankton and seeds.