Wandering Whistling-duck vs Northern Shoveler
Dendrocygna arcuata 对比 Spatula clypeata
Side-by-Side Comparison
| 属性 | Wandering Whistling-duck | Northern Shoveler |
|---|---|---|
| 学名 | Dendrocygna arcuata | Spatula clypeata |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 37.2 cm (14.6 in) | 45.3 cm (17.8 in) |
| 体重 | 779.5 g (27.50 oz) | 631.5 g (22.28 oz) |
| 食性 | Eats grasses, sedges, and aquatic plants in tundra; winter diet of coastal salt marsh grasses … | Eats seeds, aquatic plants, and invertebrates; dabbles in wetlands; broadly omnivorous diet shifts with season … |
| 产卵数 | 6-15 | 5-14 |
| 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.
Northern Shoveler
Breeds on freshwater prairie ponds, marshes, and lake margins across Eurasia and North America. Winters on coastal lagoons, estuaries, freshwater lakes, and rice paddies in tropical and subtropical regions worldwide.
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.
Northern Shoveler
Male gives a low, hollow took-took call; female produces a laughing, descending quacking series. Courtship includes head-bobbing displays accompanied by quiet nasal grunting calls.
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.
Northern Shoveler
Breeds across sub-Arctic and boreal Eurasia; winters from the British Isles to China, Japan, and Southeast Asia.
保护状况
Wandering Whistling-duck
Northern 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.
Northern Shoveler
Breeding males have iridescent green head, white breast, and rufous-chestnut flanks. Yellow eye. Pale blue forewing and green speculum. Females mottled brown. Massive spatulate bill unique among ducks. Dimorphic.
About These Birds
Wandering Whistling-duck
流苏树鸭分布于东南亚至澳大利亚北部的热带地区，包括印度尼西亚、菲律宾和新几内亚。以翼上具浅色流苏状羽毛为特征。体羽褐色，具栗褐色和白色斑纹。栖息于热带淡水湖泊和沼泽，以水生植物和无脊椎动物为食，常在水中觅食，也在树洞中营巢。
Northern Shoveler
北方琵嘴鸭以其特化的大型匙状宽嘴著称，是北温带最知名的水面鸭之一。广泛繁殖于欧亚和北美北部，越冬于南欧、非洲、中东和亚洲南部。雄鸟头部深绿色，胸部白色，体侧栗红色；雌鸟褐色。通过宽嘴在水面过滤浮游生物、甲壳类和植物碎屑为食，是独特的滤食者。