Black-and-rufous Swallow vs Black-collared Swallow
Hirundo nigrorufa в сравнении с Pygochelidon melanoleuca
Side-by-Side Comparison
| Характеристика | Black-and-rufous Swallow | Black-collared Swallow |
|---|---|---|
| Научное название | Hirundo nigrorufa | Pygochelidon melanoleuca |
| Отряд | Passeriformes | Passeriformes |
| Семейство | Hirundinidae | Hirundinidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 21,4 cm (8.4 in) | 18,3 cm (7.2 in) |
| Масса | 14,5 g (0.51 oz) | 11,025 g (0.39 oz) |
| Питание | -- | -- |
| Размер кладки | 2-3 | 3 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Нет
Black-and-rufous Swallow only
Black-collared Swallow only
Нет
Охранный статус
Black-and-rufous Swallow
Black-collared Swallow
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.
Black-collared Swallow
The Black-collared Swallow is a distinctive South American swallow with glossy blue-black upperparts, white underparts, and a broad black collar across the upper breast. It inhabits rocky rivers and fast-flowing streams in lowland tropical forests and adjacent areas from Colombia and Venezuela south through Amazonian Brazil, often nesting in crevices of riverside rocks. It feeds on flying insects caught over water.