Angola Swallow vs Black-collared Swallow
Hirundo angolensis so với Pygochelidon melanoleuca
Side-by-Side Comparison
| Thuộc Tính | Angola Swallow | Black-collared Swallow |
|---|---|---|
| Tên Khoa Học | Hirundo angolensis | Pygochelidon melanoleuca |
| Bộ | Passeriformes | Passeriformes |
| Họ | Hirundinidae | Hirundinidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 23,3 cm (9.2 in) | 18,3 cm (7.2 in) |
| Khối Lượng | 17,35 g (0.61 oz) | 11,025 g (0.39 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-4 | 3 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Không
Angola Swallow only
Black-collared Swallow only
Không
Tình Trạng Bảo Tồn
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.