Mandarin Duck vs Green Pygmy-goose
Aix galericulata 比較対象 Nettapus pulchellus
Side-by-Side Comparison
| 属性 | Mandarin Duck | Green Pygmy-goose |
|---|---|---|
| 学名 | Aix galericulata | Nettapus pulchellus |
| 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) | 33.8 cm (13.3 in) |
| 体重 | 570.0 g (20.11 oz) | 328.75 g (11.60 oz) |
| 食性 | Seeds, acorns, grains, aquatic plants, insects, snails, and small fish. Forages by dabbling, walking, and … | Eats seeds, aquatic plants, and invertebrates; dabbles in shallow fresh water; diet varies between seasons … |
| 一腹卵数 | 7-14 | 8-12 |
| 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.
Green Pygmy-goose
Lily-covered tropical freshwater billabongs, lagoons, and seasonal floodplains in New Guinea and the tropical Top End of the Northern Territory and Queensland, Australia. Highly dependent on aquatic vegetation.
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.
Green Pygmy-goose
Male gives a high-pitched, melodic two-note whistle; female produces a quiet, nasal grunt. Courtship includes rapid chattering exchanges between paired birds on tropical lagoons.
Geographic Range & Migration
Mandarin Duck
Native to East Asia including eastern Russia, China, Japan, and Korea. Feral populations established in Britain and western Europe.
Green Pygmy-goose
Breeds across northern and central Eurasia; winters in tropical Africa and South Asia.
保全状況
Mandarin Duck
Green Pygmy-goose
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
Green Pygmy-goose
Males have dark green head and neck with white cheek patch; dark back; white underparts; flanks gray-green with fine barring. Females duller with brown cap and white face. White wing …
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。
Green Pygmy-goose
グリーンピグミーグースはオーストラリア北部と東南アジアに分布する小型の木巣性カモです。雄は緑色の羽毛と白い斑点が美しいです。熱帯・亜熱帯の水草が豊富な湖、池、湿地に生息し、蓮の種子や水草を採食します。