Angola Swallow vs Black-collared Swallow
Hirundo angolensis в сравнении с Pygochelidon melanoleuca
Side-by-Side Comparison
| Характеристика | Angola Swallow | Black-collared Swallow |
|---|---|---|
| Научное название | Hirundo angolensis | Pygochelidon melanoleuca |
| Отряд | Passeriformes | Passeriformes |
| Семейство | Hirundinidae | Hirundinidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 23,3 cm (9.2 in) | 18,3 cm (7.2 in) |
| Масса | 17,35 g (0.61 oz) | 11,025 g (0.39 oz) |
| Питание | -- | -- |
| Размер кладки | 2-4 | 3 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Нет
Angola Swallow only
Black-collared Swallow only
Нет
Охранный статус
Least Concern
Angola Swallow
Least Concern
Black-collared Swallow
About These Birds
Angola Swallow
The Angola Swallow is a graceful hirundine with a 23.3 cm wingspan, weighing 17.35 grams. It inhabits open country and woodland near water in Angola and surrounding regions. It forages aerially for insects, often seen skimming low over rivers and lakes.
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.