Common Teal vs Spotted Whistling-duck
Anas crecca 对比 Dendrocygna guttata
Side-by-Side Comparison
| 属性 | Common Teal | Spotted Whistling-duck |
|---|---|---|
| 学名 | Anas crecca | Dendrocygna guttata |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 36.1 cm (14.2 in) | 41.3 cm (16.3 in) |
| 体重 | 325.0 g (11.46 oz) | 677.5 g (23.90 oz) |
| 食性 | Dives for molluscs, crustaceans, and aquatic invertebrates; diet dominated by hard-shelled prey in coastal and … | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| 产卵数 | 8-11 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
Common Teal
Breeds on boreal and subarctic freshwater marshes, lakes, and bogs across Eurasia. Winters on freshwater lakes, estuaries, rice paddies, and coastal marshes from northwest Europe and Africa east to Southeast Asia.
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
Common Teal
Male gives a ringing, bell-like krick call; female produces a soft, descending quack. The male's crystalline high note is a hallmark sound of Eurasian wetlands; flocks produce a musical tinkling …
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
Common Teal
Breeds in sub-Arctic and boreal Canada and Alaska; winters along the Pacific coast from Alaska to southern California.
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
Common Teal
Spotted Whistling-duck
How to Tell Them Apart
Common Teal
Males have chestnut head with iridescent green eye patch bordered cream. Gray body with horizontal white shoulder stripe. Cream and black undertail. Females mottled brown. Small and fast-flying. Iridescent green …
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
Common Teal
绿翅鸭（Anas crecca）是一种小型紧凑的戏水鸭。雄鸟头部栗色，眼周具宽阔的金属绿色条纹，体侧具精细灰色虫状波纹。属鸭科（Anatidae），是最小的戏水鸭之一，广泛繁殖于欧亚大陆，越冬至非洲和南亚。
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。