Mallard vs Goosander
Anas platyrhynchos 对比 Mergus merganser
Side-by-Side Comparison
| 属性 | Mallard | Goosander |
|---|---|---|
| 学名 | Anas platyrhynchos | Mergus merganser |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 58.0 cm (22.8 in) | — |
| 翼展 | 90.0 cm (35.4 in) | 54.2 cm (21.3 in) |
| 体重 | 1100.0 g (38.80 oz) | 1488.0 g (52.49 oz) |
| 食性 | Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing … | Dives for fish, especially salmon and trout, in rivers and lakes. Also takes frogs, crustaceans, … |
| 产卵数 | 4-18 | 4-22 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Mallard
Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.
Song & Call Comparison
Mallard
Female gives the classic 'quack-quack-quack', descending in pitch. Male utters soft nasal 'raeb-raeb'. Both give a high 'gag-gag-gag' when alarmed or taking flight.
Goosander
Male gives a harsh, crow-like karrr call; female produces a guttural, grunting series. Both sexes produce loud, nasal calls; the male's harsh croaking is a distinctive winter river sound.
Geographic Range & Migration
Mallard
Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.
Goosander
Breeds across boreal forests of North America, Europe, and Asia. Winters on coasts and large rivers south to the Mediterranean and South Asia.
保护状况
Mallard
Goosander
How to Tell Them Apart
Mallard
Breeding males have an iridescent green head, white neck ring, chestnut breast, and grey body. Females are mottled brown. Both sexes show a blue speculum bordered by white.
Broad, flat bill — yellow-green in males, orange-brown in females
Goosander
Male has dark green iridescent head, salmon-pink suffused white body, and black back; red serrated bill. Female has rufous-brown head with neat white chin patch, grey body, and pinkish-buff breast.
About These Birds
Mallard
The mallard is the ancestor of most domestic duck breeds and the most abundant and widespread dabbling duck in the world. Males perform elaborate courtship displays including head-bobbing and whistle-grunt calls. Mallards are highly adaptable, thriving in both wilderness and urban environments.
Goosander
普通秋沙鸭是最大的秋沙鸭，雄鸟头部深绿色有光泽，体羽白色染粉红，嘴和腿橙红色，细长有锯齿；雌鸟头部棕褐色，有冠羽，上身灰色。广泛繁殖于欧亚和北美北部，越冬于温带内陆和沿海水域。以鱼类为主食，是高效的潜水捕鱼者，在树洞中营巢。