Black-and-rufous Swallow vs African River Martin
Hirundo nigrorufa مقارنةً بـ Pseudochelidon eurystomina
Side-by-Side Comparison
| السمة | Black-and-rufous Swallow | African River Martin |
|---|---|---|
| الاسم العلمي | Hirundo nigrorufa | Pseudochelidon eurystomina |
| الرتبة | Passeriformes | Passeriformes |
| الفصيلة | Hirundinidae | Hirundinidae |
| حالة الحفاظ | Least Concern | Data Deficient |
| الطول | — | — |
| طول الجناح | 21,4 cm (8.4 in) | 23,8 cm (9.4 in) |
| الوزن | 14,5 g (0.51 oz) | 26,0 g (0.92 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 2-3 | 3 |
| Population Trend | — | — |
Habitat Comparison
الموائل المشتركة
Black-and-rufous Swallow only
بلا
African River Martin only
حالة الحفاظ
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.