African Swift vs Drab Swiftlet
Apus barbatus 比較対象 Collocalia neglecta
Side-by-Side Comparison
| 属性 | African Swift | Drab Swiftlet |
|---|---|---|
| 学名 | Apus barbatus | Collocalia neglecta |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 34.2 cm (13.5 in) | — |
| 体重 | 42.666666666666664 g (1.51 oz) | 5.9 g (0.21 oz) |
| 食性 | Completely aerial diet of small flying insects and spiders; never forages on the ground or … | Entirely airborne insectivore; feeds on minute flying insects and web-dispersing spiders over open habitats. |
| 一腹卵数 | 1-2 | 1-2 |
| 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.
Drab Swiftlet
High, thin twittering; 'tsit-tsit' in flight; echolocation clicks inside cave roosts; small size and unremarkable plumage matched by simple, thin high-pitched calls
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.
Drab Swiftlet
Found on the Andaman and Nicobar Islands and Simeuluë Island off Sumatra. Resident in coastal and lowland habitats. Sedentary.
保全状況
African Swift
Drab 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.
Drab Swiftlet
Tiny; dull brownish-grey upperparts with little or no gloss; whitish-buff rump band; pale greyish-buff underparts; forked tail; as the name implies, lacks the iridescent gloss of most Collocalia swiftlets; island …
About These Birds
African Swift
アフリカクロアマツバメはサハラ以南のアフリカに広く分布し、岩壁や建物の隙間に巣を作る。
Drab Swiftlet
A small swiftlet (10 cm) found in the Philippines, Sulawesi, and the Moluccas. Dark grey-brown plumage, less glossy than related species. Aerial insectivore. Colonial cave nester. Taxonomy has been revised repeatedly; sometimes merged with other swiftlet taxa.