Tree Martin vs African River Martin
Petrochelidon nigricans в сравнении с Pseudochelidon eurystomina
Side-by-Side Comparison
| Характеристика | Tree Martin | African River Martin |
|---|---|---|
| Научное название | Petrochelidon nigricans | Pseudochelidon eurystomina |
| Отряд | Passeriformes | Passeriformes |
| Семейство | Hirundinidae | Hirundinidae |
| Охранный статус | Least Concern | Data Deficient |
| Длина | — | — |
| Размах крыльев | 21,5 cm (8.5 in) | 23,8 cm (9.4 in) |
| Масса | 16,3 g (0.57 oz) | 26,0 g (0.92 oz) |
| Питание | -- | -- |
| Размер кладки | 3-5 | 3 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Tree Martin only
Нет
African River Martin only
Нет
Охранный статус
Least Concern
Tree Martin
Data Deficient
African River Martin
About These Birds
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.