Mandarin Duck vs Rosy-billed Pochard
Aix galericulata 比較対象 Netta peposaca
Side-by-Side Comparison
| 属性 | Mandarin Duck | Rosy-billed Pochard |
|---|---|---|
| 学名 | Aix galericulata | Netta peposaca |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 44.0 cm (17.3 in) | — |
| 翼開長 | 70.0 cm (27.6 in) | 46.1 cm (18.1 in) |
| 体重 | 570.0 g (20.11 oz) | 1103.4 g (38.92 oz) |
| 食性 | Seeds, acorns, grains, aquatic plants, insects, snails, and small fish. Forages by dabbling, walking, and … | Eats molluscs, crustaceans, and aquatic invertebrates; dives in shallow coastal water; diet dominated by invertebrates. |
| 一腹卵数 | 7-14 | 10 |
| 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.
Rosy-billed Pochard
Freshwater lakes, marshes, and lagoons in southern South America from central Brazil through Bolivia, Uruguay, and Argentina to Patagonia. Often on large open lakes. Partially migratory; moves northward in winter.
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.
Rosy-billed Pochard
Male gives a deep, burping boom; female produces a loud, grunting quack. The male's resonant booming call during display is among the most powerful calls of South American wildfowl.
Geographic Range & Migration
Mandarin Duck
Native to East Asia including eastern Russia, China, Japan, and Korea. Feral populations established in Britain and western Europe.
Rosy-billed Pochard
Breeds in northern prairies; winters on interior wetlands and coasts from the southern US to Central America.
保全状況
Mandarin Duck
Rosy-billed Pochard
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
Rosy-billed Pochard
Males dark sooty-black with iridescent purple gloss on head; bright rosy-red bill with pink knob. White flanks visible when at rest. Females brown with pale face and gray bill. Bold …
About These Birds
Mandarin Duck
オシドリ。東アジア原産の美しいカモ。雄は鮮やかなオレンジ色の「帆羽」と複雑な羽毛模様が特徴的。体長41〜49cm。森林の池や川に生息し、樹洞に巣を作る。ドングリや水草を食べる。低危険種。
Rosy-billed Pochard
ローズビルドポチャードは南米南部に分布する潜水性カモです。雄は鮮やかなピンクの嘴と黒白の体が特徴的です。アルゼンチン、チリ、ブラジル南部の草原地帯の湖や湿地に生息し、水草や無脊椎動物を潜って採食します。