White-eyed River Martin vs Black-and-rufous Swallow
Eurochelidon sirintarae so với Hirundo nigrorufa
Side-by-Side Comparison
| Thuộc Tính | White-eyed River Martin | Black-and-rufous Swallow |
|---|---|---|
| Tên Khoa Học | Eurochelidon sirintarae | Hirundo nigrorufa |
| Bộ | Passeriformes | Passeriformes |
| Họ | Hirundinidae | Hirundinidae |
| Tình Trạng Bảo Tồn | Critically Endangered | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 23,4 cm (9.2 in) | 21,4 cm (8.4 in) |
| Khối Lượng | 26,0 g (0.92 oz) | 14,5 g (0.51 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | -- | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
White-eyed River Martin only
Không
Black-and-rufous Swallow only
Tình Trạng Bảo Tồn
Critically Endangered
White-eyed River Martin
Least Concern
Black-and-rufous 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.