Barn Swallow vs Square-tailed Saw-wing
Hirundo rustica 比較対象 Psalidoprocne nitens
Side-by-Side Comparison
| 属性 | Barn Swallow | Square-tailed Saw-wing |
|---|---|---|
| 学名 | Hirundo rustica | Psalidoprocne nitens |
| 目 | Passeriformes | Passeriformes |
| 科 | Hirundinidae | Hirundinidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 19.0 cm (7.5 in) | — |
| 翼開長 | 33.0 cm (13.0 in) | 18.8 cm (7.4 in) |
| 体重 | 19.0 g (0.67 oz) | 9.725000000000001 g (0.34 oz) |
| 食性 | Aerial insects caught in continuous agile flight, including flies, beetles, moths, and aphids. Drinks by … | -- |
| 一腹卵数 | 2-7 | 2 |
| 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.
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.
Square-tailed Saw-wing
Geographic Range & Migration
Barn Swallow
Breeds across the Northern Hemisphere in North America, Europe, and Asia. Winters in South America, Africa, and South Asia.
Square-tailed Saw-wing
保全状況
Barn Swallow
Square-tailed Saw-wing
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
Square-tailed Saw-wing
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。