Black-and-rufous Swallow vs African River Martin
Hirundo nigrorufa в сравнении с Pseudochelidon eurystomina
Side-by-Side Comparison
| Характеристика | Black-and-rufous Swallow | African River Martin |
|---|---|---|
| Научное название | Hirundo nigrorufa | Pseudochelidon eurystomina |
| Отряд | Passeriformes | Passeriformes |
| Семейство | Hirundinidae | Hirundinidae |
| Охранный статус | Least Concern | Data Deficient |
| Длина | — | — |
| Размах крыльев | 21,4 cm (8.4 in) | 23,8 cm (9.4 in) |
| Масса | 14,5 g (0.51 oz) | 26,0 g (0.92 oz) |
| Питание | -- | -- |
| Размер кладки | 2-3 | 3 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Black-and-rufous Swallow only
Нет
African River Martin only
Охранный статус
Least Concern
Black-and-rufous Swallow
Data Deficient
African River Martin
About These Birds
Black-and-rufous Swallow
The Black-and-rufous Swallow is a distinctive swallow of the miombo woodland and open areas in East and Central Africa. It has glossy black upperparts and rich rufous-chestnut underparts and throat. It feeds on aerial insects, hawking over open woodland and water, and breeds in small colonies.
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.