Brent Goose vs Cinnamon Teal
Branta bernicla 对比 Spatula cyanoptera
Side-by-Side Comparison
| 属性 | Brent Goose | Cinnamon Teal |
|---|---|---|
| 学名 | Branta bernicla | Spatula cyanoptera |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 63.9 cm (25.2 in) | 37.5 cm (14.8 in) |
| 体重 | 1335.0 g (47.09 oz) | 406.25 g (14.33 oz) |
| 食性 | Primarily herbivorous; grazes aquatic plants, grasses, and sedges; swans upend in shallow water for submerged … | Eats seeds, aquatic plants, and invertebrates; dabbles in wetland shallows; broadly omnivorous diet varies with … |
| 产卵数 | 1-10 | 4-16 |
| Population Trend | — | — |
Habitat Comparison
Brent Goose
Breeds on high-Arctic tundra; winters on estuaries, coastal mudflats, saltmarshes, and sea-grass beds along Atlantic and Pacific coastlines. One of the most strictly coastal wintering geese.
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
Brent Goose
A low, guttural 'rronk' or 'ronk-ronk' from flocks. Soft nasal calls in feeding groups. A subtle, understated call for a goose — less loud than most Anser geese.
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
Brent Goose
Breeds across boreal and subarctic Canada and Alaska; winters in the southern United States, Mexico, and Central America.
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
Brent Goose
Cinnamon Teal
How to Tell Them Apart
Brent Goose
Small; mostly black head, neck, and breast. Small white neck-patch on adults. Back dark brownish-gray; belly pale gray to white depending on subspecies. White undertail coverts. Sexes similar.
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
Brent Goose
黑雁是小型海雁，繁殖于北极苔原，越冬于温带沿海地区。全身黑色，颈部有白色斑纹，腹部浅色或深色（因亚种而异）。以海草（大叶藻）和潮间带植物为食，高度依赖沿海湿地。在欧洲和北美分布有多个亚种，其中部分亚种数量因大叶藻减少而受到威胁。
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。