Barn Swallow vs Black-and-rufous Swallow
Hirundo rustica 对比 Hirundo nigrorufa
Side-by-Side Comparison
| 属性 | Barn Swallow | Black-and-rufous Swallow |
|---|---|---|
| 学名 | Hirundo rustica | Hirundo nigrorufa |
| 目 | Passeriformes | Passeriformes |
| 科 | Hirundinidae | Hirundinidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 19.0 cm (7.5 in) | — |
| 翼展 | 33.0 cm (13.0 in) | 21.4 cm (8.4 in) |
| 体重 | 19.0 g (0.67 oz) | 14.5 g (0.51 oz) |
| 食性 | Aerial insects caught in continuous agile flight, including flies, beetles, moths, and aphids. Drinks by … | -- |
| 产卵数 | 2-7 | 2-3 |
| 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.
Black-and-rufous Swallow
Geographic Range & Migration
Barn Swallow
Breeds across the Northern Hemisphere in North America, Europe, and Asia. Winters in South America, Africa, and South Asia.
Black-and-rufous Swallow
保护状况
Barn Swallow
Black-and-rufous Swallow
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
Black-and-rufous Swallow
About These Birds
Barn Swallow
The barn swallow is the most widespread swallow species in the world and has one of the longest migrations of any passerine. Its arrival signals spring across the Northern Hemisphere, inspiring cultural references from ancient Greece to modern poetry. Barn swallows have become almost entirely dependent on human structures for nesting.
Black-and-rufous Swallow
黑棕燕分布于非洲中部的安哥拉和赞比亚至坦桑尼亚一带的稀树草原。上体黑色，下体棕红色，飞行敏捷。栖息于开阔草地和林地，以飞行中的昆虫为食，常在开阔地带低空飞行捕食。