Angola Swallow vs Bahama Swallow
Hirundo angolensis 对比 Tachycineta cyaneoviridis
Side-by-Side Comparison
| 属性 | Angola Swallow | Bahama Swallow |
|---|---|---|
| 学名 | Hirundo angolensis | Tachycineta cyaneoviridis |
| 目 | Passeriformes | Passeriformes |
| 科 | Hirundinidae | Hirundinidae |
| 保护状况 | Least Concern | Endangered |
| 体长 | — | — |
| 翼展 | 23.3 cm (9.2 in) | 22.5 cm (8.9 in) |
| 体重 | 17.35 g (0.61 oz) | 17.63333333333333 g (0.62 oz) |
| 食性 | -- | -- |
| 产卵数 | 2-4 | 2-4 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Angola Swallow
Endangered
Bahama Swallow
About These Birds
Angola Swallow
安哥拉燕分布于非洲中部的热带草原和农田,从刚果至安哥拉。体羽蓝黑色,腹部白色,翅下面白色。栖息于开阔的稀树草原和农业地带,以昆虫为食,常在低空飞翔捕食。与普通燕在外形上相似。
Bahama Swallow
The Bahama Swallow is an Endangered swallow endemic to the Bahamas, weighing about 17.6g with a wingspan of 22.5cm. It has iridescent blue-green upperparts and white underparts, and breeds in pine woodlands. Habitat loss and introduced predators threaten its small and declining population.