Black-and-rufous Swallow vs Black-collared Swallow
Hirundo nigrorufa مقارنةً بـ Pygochelidon melanoleuca
Side-by-Side Comparison
| السمة | Black-and-rufous Swallow | Black-collared Swallow |
|---|---|---|
| الاسم العلمي | Hirundo nigrorufa | Pygochelidon melanoleuca |
| الرتبة | Passeriformes | Passeriformes |
| الفصيلة | Hirundinidae | Hirundinidae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 21,4 cm (8.4 in) | 18,3 cm (7.2 in) |
| الوزن | 14,5 g (0.51 oz) | 11,025 g (0.39 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 2-3 | 3 |
| Population Trend | — | — |
Habitat Comparison
الموائل المشتركة
بلا
Black-and-rufous Swallow only
Black-collared Swallow only
بلا
حالة الحفاظ
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.