House Sparrow vs Mandarin Duck
Passer domesticus 比較対象 Aix galericulata
Side-by-Side Comparison
| 属性 | House Sparrow | Mandarin Duck |
|---|---|---|
| 学名 | Passer domesticus | Aix galericulata |
| 目 | Passeriformes | Anseriformes |
| 科 | Passeridae | Anatidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 16.0 cm (6.3 in) | 44.0 cm (17.3 in) |
| 翼開長 | 25.0 cm (9.8 in) | 70.0 cm (27.6 in) |
| 体重 | 30.0 g (1.06 oz) | 570.0 g (20.11 oz) |
| 食性 | Primarily seeds and grains, supplemented with insects during breeding season. Readily exploits human food scraps … | Seeds, acorns, grains, aquatic plants, insects, snails, and small fish. Forages by dabbling, walking, and … |
| 一腹卵数 | 1-8 | 7-14 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
House Sparrow
Closely associated with human habitation. Found in cities, towns, farms, and any built environment. Rarely found far from people.
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
House Sparrow
Monotonous series of chirping 'cheep' and 'chirrup' notes. Male gives 'chilp' song repeatedly. Flocks produce constant chirping chatter. No melodic song; purely functional calls.
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.
Geographic Range & Migration
House Sparrow
Native to Europe, Asia, and North Africa. Introduced to every continent except Antarctica, making it the most widely distributed wild bird.
Mandarin Duck
Native to East Asia including eastern Russia, China, Japan, and Korea. Feral populations established in Britain and western Europe.
保全状況
House Sparrow
Mandarin Duck
How to Tell Them Apart
House Sparrow
Males have grey crowns, chestnut napes, black bibs, and streaked brown backs. Females and juveniles are plain buffy-brown with a pale eyebrow stripe.
Short, stout, conical bill — black in breeding males, yellowish in non-breeding
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
About These Birds
House Sparrow
スズメは人間の居住地に最も密接に関連する鳥の一つで、世界で最も広く分布する鳥種の一つ。原産地はヨーロッパ・アジアだが、人間とともに世界中に持ち込まれた。
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。