Northern House Martin vs African River Martin
Delichon urbicum 对比 Pseudochelidon eurystomina
Side-by-Side Comparison
| 属性 | Northern House Martin | African River Martin |
|---|---|---|
| 学名 | Delichon urbicum | Pseudochelidon eurystomina |
| 目 | Passeriformes | Passeriformes |
| 科 | Hirundinidae | Hirundinidae |
| 保护状况 | Least Concern | Data Deficient |
| 体长 | — | — |
| 翼展 | 21.6 cm (8.5 in) | 23.8 cm (9.4 in) |
| 体重 | 16.65 g (0.59 oz) | 26.0 g (0.92 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-7 | 3 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Northern House Martin
Data Deficient
African River Martin
About These Birds
Northern House Martin
白腰毛脚燕(约18克)是一种燕科鸟类,具有金属蓝黑色上体和纯白色腰部,在欧洲和亚洲的建筑物上筑建泥巢。以空中昆虫为食。繁殖于古北界,越冬于撒哈拉以南非洲和亚洲南部。无危;在欧洲数量略有下降,可能与昆虫减少有关。
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.