Barn Swallow vs Common Raven
Hirundo rustica 比較対象 Corvus corax
Side-by-Side Comparison
| 属性 | Barn Swallow | Common Raven |
|---|---|---|
| 学名 | Hirundo rustica | Corvus corax |
| 目 | Passeriformes | Passeriformes |
| 科 | Hirundinidae | Corvidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 19.0 cm (7.5 in) | 63.0 cm (24.8 in) |
| 翼開長 | 33.0 cm (13.0 in) | 130.0 cm (51.2 in) |
| 体重 | 19.0 g (0.67 oz) | 1200.0 g (42.33 oz) |
| 食性 | Aerial insects caught in continuous agile flight, including flies, beetles, moths, and aphids. Drinks by … | Omnivorous and opportunistic — carrion, small animals, insects, eggs, grain, fruit, and human refuse. Among … |
| 一腹卵数 | 2-7 | 1-8 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Barn Swallow
Open farmland, meadows, and areas near water. Nests almost exclusively in human-made structures such as barns, bridges, and eaves.
Common Raven
Diverse habitats from Arctic tundra to deserts, mountains, forests, and coastlines. Avoids dense urban areas but thrives near human activity.
Song & Call Comparison
Barn Swallow
A rapid, twittering song: a long stream of 'vit-vit-vit' and rolling chirps. Also gives a sharp 'vit' flight call. Song can last many minutes without pause. Musical and liquid.
Common Raven
Highly varied: deep resonant 'kraa-kraa-kraa', hollow 'tok-tok', liquid 'klonk', and wing-whooshing. Among the most intelligent corvid callers; uses calls contextually in groups.
Geographic Range & Migration
Barn Swallow
Breeds across the Northern Hemisphere in North America, Europe, and Asia. Winters in South America, Africa, and South Asia.
Common Raven
Holarctic distribution across North America, Europe, Asia, and North Africa. The most widely distributed corvid.
保全状況
Barn Swallow
Common Raven
How to Tell Them Apart
Barn Swallow
Metallic blue-black upperparts, rufous forehead and throat, and pale buff to rufous underparts. Deeply forked tail with elongated outer streamers.
Short, wide, flat black bill adapted for catching insects in flight
Common Raven
All black with a glossy purplish-blue iridescent sheen. Shaggy throat hackles, long wedge-shaped tail, and large robust build distinguish it from crows.
Large, powerful, curved black bill
About These Birds
Barn Swallow
ツバメは世界で最も広く分布するツバメ科の種で、スズメ目の中でも最長の渡りを行うもののひとつ。北半球全体にわたってその到来が春の訪れを告げ、古代ギリシャから現代の詩に至るまで文化的な言及を生んできた。ツバメは営巣にほぼ完全に人工構造物を利用するようになっている。
Common Raven
ワタリガラス（Corvus corax）— 北半球に広く分布する最大のスズメ目の鳥。高い知性をもち、道具を使うことや問題解決能力が知られている。