House Sparrow vs Mallard
Passer domesticus 比較対象 Anas platyrhynchos
Side-by-Side Comparison
| 属性 | House Sparrow | Mallard |
|---|---|---|
| 学名 | Passer domesticus | Anas platyrhynchos |
| 目 | Passeriformes | Anseriformes |
| 科 | Passeridae | Anatidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 16.0 cm (6.3 in) | 58.0 cm (22.8 in) |
| 翼開長 | 25.0 cm (9.8 in) | 90.0 cm (35.4 in) |
| 体重 | 30.0 g (1.06 oz) | 1100.0 g (38.80 oz) |
| 食性 | Primarily seeds and grains, supplemented with insects during breeding season. Readily exploits human food scraps … | Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing … |
| 一腹卵数 | 1-8 | 4-18 |
| 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.
Mallard
Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.
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.
Mallard
Female gives the classic 'quack-quack-quack', descending in pitch. Male utters soft nasal 'raeb-raeb'. Both give a high 'gag-gag-gag' when alarmed or taking flight.
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.
Mallard
Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.
保全状況
House Sparrow
Mallard
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
Mallard
Breeding males have an iridescent green head, white neck ring, chestnut breast, and grey body. Females are mottled brown. Both sexes show a blue speculum bordered by white.
Broad, flat bill — yellow-green in males, orange-brown 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。
Mallard
世界で最も一般的なカモ。雄は光沢のある緑色の頭、白い首輪、栗色の胸が特徴。体長50〜65cm。ほぼ世界中の湖、川、池、湿地に生息。雑食性で植物や無脊椎動物を食べる。多くの家禽カモの祖先。低危険種。