Mandarin Duck vs Common Eider
Aix galericulata 对比 Somateria mollissima
Side-by-Side Comparison
| 属性 | Mandarin Duck | Common Eider |
|---|---|---|
| 学名 | Aix galericulata | Somateria mollissima |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Least Concern | Near Threatened |
| 体长 | 44.0 cm (17.3 in) | — |
| 翼展 | 70.0 cm (27.6 in) | 56.0 cm (22.0 in) |
| 体重 | 570.0 g (20.11 oz) | 2042.8333333333333 g (72.06 oz) |
| 食性 | Seeds, acorns, grains, aquatic plants, insects, snails, and small fish. Forages by dabbling, walking, and … | Dives for blue mussels, clams, and crustaceans in shallow coastal waters. Swallows shellfish whole and … |
| 产卵数 | 7-14 | 2-7 |
| 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.
Common Eider
Male produces a loud, resonant ah-WOOO cooing; female gives a deep, guttural quacking series. The male's iconic moaning call echoes across North Atlantic coastlines; a classic seaduck sound.
Geographic Range & Migration
Mandarin Duck
Native to East Asia including eastern Russia, China, Japan, and Korea. Feral populations established in Britain and western Europe.
Common Eider
Breeds on Arctic and subarctic coasts from the North Atlantic to the Pacific. Winters along coasts of northwestern Europe and eastern North America.
保护状况
Mandarin Duck
Common Eider
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
Common Eider
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.
Common Eider
绒鸭是世界上最大的野鸭，以其胸部柔软绒羽（绒鸭绒）著称，人类数百年来收集其绒羽制作高档羽绒制品。雄鸟黑白相间，嘴部较大，绿色饰羽醒目；雌鸟棕褐色。广泛分布于北极和亚北极地区，繁殖于海岸，越冬于温带沿岸。以软体动物和甲壳类为食，善深潜。