African Swift vs Bornean Swiftlet
Apus barbatus в сравнении с Collocalia dodgei
Side-by-Side Comparison
| Характеристика | African Swift | Bornean Swiftlet |
|---|---|---|
| Научное название | Apus barbatus | Collocalia dodgei |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Apodidae | Apodidae |
| Охранный статус | Least Concern | Not Evaluated |
| Длина | — | — |
| Размах крыльев | 34,2 cm (13.5 in) | — |
| Масса | 42,666666666666664 g (1.51 oz) | 6,1 g (0.22 oz) |
| Питание | Completely aerial diet of small flying insects and spiders; never forages on the ground or … | Small aerial insectivore feeding on minute flying insects and spiders; forages over forest canopy and … |
| Размер кладки | 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.
Bornean Swiftlet
High thin twittering; soft 'tsit' notes over Borneo mountains; echolocation in cave roosts; tiny highland swiftlet; call weakly audible; soft rapid chittering 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.
Bornean Swiftlet
Endemic to Borneo in lowland dipterocarp forest and hill forest. Closely related to Glossy Swiftlet; range barely extends to Palawan.
Охранный статус
African Swift
Bornean 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.
Bornean Swiftlet
Tiny; dark glossy blue-green upperparts; pale whitish rump band; dark sooty-grey underparts; forked tail; Borneo endemic restricted to montane zones; similar to Glossy Swiftlet but less white below and confined …
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.
Bornean Swiftlet
A small swiftlet (9-10 cm) endemic to montane forests of northern Borneo at 900-3,400 m elevation. Dark glossy plumage. Aerial insectivore. Colonial cave nester. Restricted to high-altitude caves on Mount Kinabalu and neighboring peaks. Limited ecological data.