African Swift vs Black Swift
Apus barbatus so với Cypseloides niger
Side-by-Side Comparison
| Thuộc Tính | African Swift | Black Swift |
|---|---|---|
| Tên Khoa Học | Apus barbatus | Cypseloides niger |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Apodidae | Apodidae |
| Tình Trạng Bảo Tồn | Least Concern | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 34,2 cm (13.5 in) | 29,9 cm (11.8 in) |
| Khối Lượng | 42,666666666666664 g (1.51 oz) | 41,55 g (1.47 oz) |
| Chế Độ Ăn | Completely aerial diet of small flying insects and spiders; never forages on the ground or … | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. |
| Số Trứng | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
African Swift
Sharp, piercing screech followed by rapid chatter; intense series of notes escalating in speed and volume before fading.
Black Swift
Soft, buzzy chittering 'spee-spee'; thin twittering over mountain waterfalls; higher and softer than Common Swift; small flocks call weakly over nesting cliffs
Geographic Range & Migration
African Swift
Found across sub-Saharan Africa from Senegal east to Ethiopia and south to South Africa. One of Africa's most common swift species.
Black Swift
Breeds in western North America from Alaska south to California and the Caribbean. Migrates to winter in Mexico and Central America.
Tình Trạng Bảo Tồn
African Swift
Black Swift
How to Tell Them Apart
African Swift
Dark sooty-brown throughout; pale throat patch whitish-grey; underparts slightly paler; broadly similar to Common Swift but slightly larger and marginally paler below; widespread Sub-Saharan African species.
Black Swift
Entirely black with slight glossy sheen; faint pale scaling on forehead and chin in fresh plumage; broad-winged and large-bodied; slightly forked tail; sexes alike; North American cliff-nesting swift with wholly …
About These Birds
African Swift
A medium-sized swift (16-17 cm) found across sub-Saharan Africa. Dark sooty-brown plumage, darker than Pallid Swift. Aerial insectivore, foraging high over varied habitats from forests to savannas. Breeds on cliffs and buildings. Resident or partial migrant within Africa.
Black Swift
A large swift (15-18 cm, wingspan 38 cm) with all-dark plumage and a slightly forked tail. Breeds on sea cliffs and behind waterfalls across western North America and the Caribbean. Aerial insectivore, foraging high over mountains and valleys. A long-distance migrant wintering in South America.