Mandarin Duck vs Red-breasted Merganser
Aix galericulata 对比 Mergus serrator
Side-by-Side Comparison
| 属性 | Mandarin Duck | Red-breasted Merganser |
|---|---|---|
| 学名 | Aix galericulata | Mergus serrator |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 44.0 cm (17.3 in) | — |
| 翼展 | 70.0 cm (27.6 in) | 46.7 cm (18.4 in) |
| 体重 | 570.0 g (20.11 oz) | 1058.3333333333333 g (37.33 oz) |
| 食性 | Seeds, acorns, grains, aquatic plants, insects, snails, and small fish. Forages by dabbling, walking, and … | Dives for small fish, crustaceans, and aquatic invertebrates in coastal and freshwater habitats. Pursues fish … |
| 产卵数 | 7-14 | 6-14 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Mandarin Duck
Wooded lakes, rivers, and ponds surrounded by dense forest. Unlike most ducks, regularly perches in trees and nests in tree cavities.
Song & Call Comparison
Mandarin Duck
Male gives a low whistled 'hib' or 'weep'. Female utters a soft quacking 'kek'. Generally quiet and secretive. No loud territorial song; vocalizations subtle and brief.
Red-breasted Merganser
Male produces a harsh, rasping series of notes; female gives a rough, guttural grunting. The harsh, rattling call is louder than Goosander; pairs and flocks create a rasping coastal cacophony.
Geographic Range & Migration
Mandarin Duck
Native to East Asia including eastern Russia, China, Japan, and Korea. Feral populations established in Britain and western Europe.
Red-breasted Merganser
Circumpolar breeder in boreal and Arctic zones. Winters on coasts and large water bodies south to the Mediterranean and southern Asia.
保护状况
Mandarin Duck
Red-breasted Merganser
How to Tell Them Apart
Mandarin Duck
Breeding males have an elaborate pattern of orange, green, white, and purple with distinctive orange sail feathers on the back. Females are grey-brown with a white eye-ring and stripe.
Small red bill in breeding males, pinkish in females
Red-breasted Merganser
Male has dark green shaggy double crest, speckled chestnut breast band, white collar, and grey flanks; red bill. Female has rufous-brown head with ragged crest blending gradually into grey neck …
About These Birds
Mandarin Duck
The mandarin duck is widely considered the most beautiful duck in the world. In East Asian culture, mandarin ducks symbolize love and fidelity because they form strong pair bonds. Unlike most ducks, mandarins nest in tree holes up to 9 meters above the ground, and day-old ducklings must leap to the ground.
Red-breasted Merganser
红胸秋沙鸭以雄鸟胸部栗红色鳞状斑纹为特征，嘴橙红色，头部深绿色有冠羽。广泛繁殖于欧亚和北美北部，越冬于温带沿海海湾和内陆水域。在地面或岩缝中营巢，以鱼类为主食，善于合作围捕鱼群。常在沿海越冬，是三种秋沙鸭中最耐盐水的。