House Sparrow vs Eurasian Tree Sparrow
Passer domesticus 比較対象 Passer montanus
Side-by-Side Comparison
| 属性 | House Sparrow | Eurasian Tree Sparrow |
|---|---|---|
| 学名 | Passer domesticus | Passer montanus |
| 目 | Passeriformes | Passeriformes |
| 科 | Passeridae | Passeridae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 16.0 cm (6.3 in) | — |
| 翼開長 | 25.0 cm (9.8 in) | 13.6 cm (5.4 in) |
| 体重 | 30.0 g (1.06 oz) | 23.333333333333332 g (0.82 oz) |
| 食性 | Primarily seeds and grains, supplemented with insects during breeding season. Readily exploits human food scraps … | -- |
| 一腹卵数 | 1-8 | 2-9 |
| 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.
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.
Eurasian Tree Sparrow
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.
Eurasian Tree Sparrow
保全状況
House Sparrow
Eurasian Tree Sparrow
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
Eurasian Tree Sparrow
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。
Eurasian Tree Sparrow
ヨーロッパ・アジアに広く分布するスズメ（体長12〜14cm）。栗色の頭頂部と白い頬の黒い斑が特徴で、雌雄同色。Passer montanus（スズメ）は日本で最もよく見られるスズメで、民家の屋根の隙間や木の洞に巣を作り、種子や昆虫を食べる。近年、都市化の影響により個体数が減少している。Passeridae科。