African Swift vs Cave Swiftlet
Apus barbatus ile kıyaslandığında Collocalia linchi
Side-by-Side Comparison
| Özellik | African Swift | Cave Swiftlet |
|---|---|---|
| Bilimsel Ad | Apus barbatus | Collocalia linchi |
| Takım | Caprimulgiformes | Caprimulgiformes |
| Familya | Apodidae | Apodidae |
| Koruma Durumu | Least Concern | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | 34,2 cm (13.5 in) | 18,7 cm (7.4 in) |
| Ağırlık | 42,666666666666664 g (1.51 oz) | 6,05 g (0.21 oz) |
| Beslenme | Completely aerial diet of small flying insects and spiders; never forages on the ground or … | Entirely aerial diet of tiny insects and spiders; forages in large flocks over open country … |
| Kuluçka Büyüklüğü | 1-2 | 2 |
| 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.
Cave Swiftlet
Soft, rapid twittering; thin 'tsit-tsit' over Javan forests; audible echolocation clicks inside caves; colonial; produces squeaky chattering at roost sites; calls weakly in flight
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.
Cave Swiftlet
Found in Sumatra, Java, Bali, and surrounding Indonesian islands. Resident in forest, cultivated land, and villages. Nests in rock crevices.
Koruma Durumu
African Swift
Cave Swiftlet
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.
Cave Swiftlet
Tiny; dark blue-black upperparts with faint gloss; pale greyish rump band; underparts whitish with grey-buff flanks; moderately forked tail; widespread in caves across Sundaland; less glossy and less white below …
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.
Cave Swiftlet
A very small swiftlet (9 cm) found in Java, Bali, Sumatra, and the Lesser Sundas. Dark glossy plumage with a pale rump band. Aerial insectivore, foraging in flocks. One of the primary nest-producing swiftlets; its edible nests (made of saliva) are commercially harvested.