Pink-footed Goose vs Spotted Whistling-duck
Anser brachyrhynchus 对比 Dendrocygna guttata
Side-by-Side Comparison
| 属性 | Pink-footed Goose | Spotted Whistling-duck |
|---|---|---|
| 学名 | Anser brachyrhynchus | Dendrocygna guttata |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 86.4 cm (34.0 in) | 41.3 cm (16.3 in) |
| 体重 | 2590.0 g (91.36 oz) | 677.5 g (23.90 oz) |
| 食性 | Grazes grasses and aquatic plants near rivers; takes invertebrates in breeding season; nomadic in response … | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| 产卵数 | 2-8 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
Pink-footed Goose
Breeds on tundra and cliff ledges in Greenland, Iceland, and Svalbard. Winters on agricultural fields, saltmarshes, and estuaries in Scotland, England, Netherlands, and Denmark.
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.
Song & Call Comparison
Pink-footed Goose
A musical, high-pitched 'wink-wink' — noticeably higher and more musical than Greylag or Bean Goose. The 'wink' call is a reliable identification feature in winter flocks.
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.
Geographic Range & Migration
Pink-footed Goose
Breeds on Arctic and sub-Arctic tundra ponds across North America; winters on both US coasts and Gulf Coast estuaries.
Spotted Whistling-duck
Ranges widely across sub-Saharan Africa in open woodland and savanna. Largely sedentary with local seasonal movements to water.
保护状况
Pink-footed Goose
Spotted Whistling-duck
How to Tell Them Apart
Pink-footed Goose
Dark brown head and neck. Back grayish-brown; underparts pale gray. Diagnostic pink feet and pink-banded dark bill. Pale blue-gray forewing in flight. Compact and round-headed. Sexes similar.
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.
About These Birds
Pink-footed Goose
粉脚雁是中型灰雁，繁殖于冰岛、格陵兰及挪威斯瓦尔巴群岛，越冬于英国和西欧。其嘴部和腿部均为粉红色，嘴基黑色，故名粉脚雁。迁徙时常形成大群，以农田收割后残留的谷物及草地为食，是英国最常见的越冬鸭雁之一。
Spotted Whistling-duck
斑树鸭是东南亚和西南太平洋的树鸭，分布于印度尼西亚、菲律宾、巴布亚新几内亚及澳大利亚北部。体羽深褐色，胸部和腹部具白色斑点，嘴灰黑色。栖息于热带雨林的湖泊、河流和湿地，以水生植物、种子和无脊椎动物为食，在树洞中营巢。