Black-and-rufous Swallow vs Black-collared Swallow
Hirundo nigrorufa so với Pygochelidon melanoleuca
Side-by-Side Comparison
| Thuộc Tính | Black-and-rufous Swallow | Black-collared Swallow |
|---|---|---|
| Tên Khoa Học | Hirundo nigrorufa | Pygochelidon melanoleuca |
| Bộ | Passeriformes | Passeriformes |
| Họ | Hirundinidae | Hirundinidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 21,4 cm (8.4 in) | 18,3 cm (7.2 in) |
| Khối Lượng | 14,5 g (0.51 oz) | 11,025 g (0.39 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-3 | 3 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Không
Black-and-rufous Swallow only
Black-collared Swallow only
Không
Tình Trạng Bảo Tồn
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.