White-rumped Swiftlet vs African Swift
Aerodramus spodiopygius в сравнении с Apus barbatus
Side-by-Side Comparison
| Характеристика | White-rumped Swiftlet | African Swift |
|---|---|---|
| Научное название | Aerodramus spodiopygius | Apus barbatus |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Apodidae | Apodidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 23,4 cm (9.2 in) | 34,2 cm (13.5 in) |
| Масса | 7,4 g (0.26 oz) | 42,666666666666664 g (1.51 oz) |
| Питание | Feeds on aerial plankton including tiny flies and spiders; forages in large noisy flocks above … | Completely aerial diet of small flying insects and spiders; never forages on the ground or … |
| Размер кладки | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-rumped Swiftlet
Rapid thin twittering; high 'tsit-tsit' notes over Pacific islands; echolocation clicks in caves; colonial; produces soft chattering in roost cavities; unremarkable call
African Swift
Sharp, piercing screech followed by rapid chatter; intense series of notes escalating in speed and volume before fading.
Geographic Range & Migration
White-rumped Swiftlet
Found across the southwestern Pacific including Fiji, Samoa, Tonga, and Vanuatu east to the Cook Islands. Resident from coast to mountains.
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.
Охранный статус
White-rumped Swiftlet
African Swift
How to Tell Them Apart
White-rumped Swiftlet
Small; dark brownish-black upperparts with faint gloss; white rump patch contrasting sharply with dark back and tail; underparts pale greyish-white; forked tail; widespread Pacific species with diagnostically bright white rump.
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.
About These Birds
White-rumped Swiftlet
A small swiftlet (10-11 cm) widespread across the western Pacific from the Bismarck Archipelago to Fiji and Samoa. Dark plumage with a conspicuous white rump band. Aerial insectivore. Colonial cave nester using echolocation. One of the most widespread Pacific swiftlets.
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.