Angola Swallow vs African River Martin
Hirundo angolensis 对比 Pseudochelidon eurystomina
Side-by-Side Comparison
| 属性 | Angola Swallow | African River Martin |
|---|---|---|
| 学名 | Hirundo angolensis | Pseudochelidon eurystomina |
| 目 | Passeriformes | Passeriformes |
| 科 | Hirundinidae | Hirundinidae |
| 保护状况 | Least Concern | Data Deficient |
| 体长 | — | — |
| 翼展 | 23.3 cm (9.2 in) | 23.8 cm (9.4 in) |
| 体重 | 17.35 g (0.61 oz) | 26.0 g (0.92 oz) |
| 食性 | -- | -- |
| 产卵数 | 2-4 | 3 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Angola Swallow
Data Deficient
African River Martin
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。
African River Martin
The African River Martin is a data-deficient swallow of the Hirundinidae family, with a wingspan of about 24 cm and a weight of 26 g. It is a poorly known species of the Congo River basin, roosting in vast numbers on sandy river islands during the dry season.