Black-headed Duck vs Cinnamon Teal
Heteronetta atricapilla 对比 Spatula cyanoptera
Side-by-Side Comparison
| 属性 | Black-headed Duck | Cinnamon Teal |
|---|---|---|
| 学名 | Heteronetta atricapilla | Spatula cyanoptera |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 34.7 cm (13.7 in) | 37.5 cm (14.8 in) |
| 体重 | 528.5 g (18.64 oz) | 406.25 g (14.33 oz) |
| 食性 | Parasitic; adults may feed on aquatic plants, seeds, and invertebrates in South American marshes. Diet … | Eats seeds, aquatic plants, and invertebrates; dabbles in wetland shallows; broadly omnivorous diet varies with … |
| 产卵数 | 2 | 4-16 |
| Population Trend | — | — |
Habitat Comparison
Cinnamon Teal
Freshwater and brackish marshes, ponds, and shallow lakes with emergent vegetation in western North America and wintering in Central and South America. Uses seasonal wetlands and agricultural ponds.
Song & Call Comparison
Black-headed Duck
Male gives a soft, raspy peeping note; female produces a muted quack. An obligate brood parasite with reduced vocalizations; subdued calls suit its secretive lifestyle among Argentine reeds.
Cinnamon Teal
Male produces a high, whistled peep; female gives a soft quacking rattle. The male's bright whistle punctuates North American and South American wetland dawns during migration.
Geographic Range & Migration
Black-headed Duck
Resident in southern South America from southern Brazil and Bolivia south to Argentina and Chile. Found on lakes and marshes in open lowlands.
Cinnamon Teal
Breeds in Arctic Canada and Alaska; winters on sea ice and coasts of the North Atlantic and North Pacific.
保护状况
Black-headed Duck
Cinnamon Teal
How to Tell Them Apart
Black-headed Duck
Male has distinctive jet-black head and neck, warm chestnut-brown back, and pale buff underparts; blue-grey bill with red base. Female is streaked brown above with pale supercilium and whitish underparts.
Cinnamon Teal
Males striking; deep cinnamon-red head and body with dark brown back. Red eye. Pale blue forewing and green speculum. Females mottled brown with pale blue forewing. Bill spatulate. Dimorphic western …
About These Birds
Black-headed Duck
黑头鸭是南美洲的寄生性鸭子，不自己筑巢，而将卵产于其他水鸟（包括其他鸭类、䴙䴘、红鹭等）的巢中，由寄主孵化并抚育。分布于阿根廷、乌拉圭、智利和巴西南部。雄鸟头部黑色，体羽深褐色；雌鸟头部褐色。是唯一真正的全职巢寄生鸭类。
Cinnamon Teal
北美肉桂色鸭以雄鸟整体肉桂棕红色羽色为特征，翼肩蓝色斑块在飞行时醒目。主要分布于北美西部，越冬于中美洲和南美洲北部。另有南美亚种。栖息于草原湿地和沼泽，以水生植物、无脊椎动物和种子为食。是北美羽色最浓烈的鸭类之一。