Philippine Swiftlet vs African Palm Swift
Aerodramus mearnsi so với Cypsiurus parvus
Side-by-Side Comparison
| Thuộc Tính | Philippine Swiftlet | African Palm Swift |
|---|---|---|
| Tên Khoa Học | Aerodramus mearnsi | Cypsiurus parvus |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Apodidae | Apodidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 21,8 cm (8.6 in) | 27,2 cm (10.7 in) |
| Khối Lượng | 11,5 g (0.41 oz) | 14,38 g (0.51 oz) |
| Chế Độ Ăn | Obligate aerial feeder on microscopic flying insects and spiders; highly social forager over tropical forest. | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. |
| Số Trứng | 4 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Philippine Swiftlet only
Không
African Palm Swift only
Song & Call Comparison
Philippine Swiftlet
High twittering trill; thin 'tsit-tsit' notes over Philippine mountains; echolocation clicks in cave roosts; calls softly; flock produces chattering at roost; unremarkable vocalizations
African Palm Swift
Deep, hollow churring trill with resonant bass quality; prolonged vibrating call audible at significant range in open woodland.
Geographic Range & Migration
Philippine Swiftlet
Endemic to the Philippines, found on Luzon, Mindanao, Mindoro, and adjacent islands. Resident in lowland and hill forest and open areas.
African Palm Swift
Found across sub-Saharan Africa from Senegal east to Somalia and south to South Africa. Common in open areas near palms; nests in palm leaves.
Tình Trạng Bảo Tồn
Philippine Swiftlet
African Palm Swift
How to Tell Them Apart
Philippine Swiftlet
Small; dark grey-brown upperparts with faint gloss; pale grey rump band; underparts greyish-white; moderately forked tail; Philippine endemic using echolocation; echolocation ability distinguishes Aerodramus from Collocalia swiftlets.
African Palm Swift
Slender and long-tailed; uniformly pale greyish-brown overall; underparts paler grey-buff; long deeply forked tail; pale uniform appearance with no contrasting markings; widespread African palm-nesting swift with distinctive slender silhouette.
About These Birds
Philippine Swiftlet
A small swiftlet (10-11 cm) endemic to the Philippines. Dark plumage with a pale rump. Aerial insectivore. Colonial cave nester. Uses echolocation for navigating dark cave interiors. Found across the major Philippine island groups. Poorly studied ecology.
African Palm Swift
A slender swift (15-17 cm) with long, narrow wings and a deeply forked tail. Dark brown plumage. Found across sub-Saharan Africa in savanna and open woodland, closely associated with palm trees. Aerial insectivore. One of Africa's most abundant swift species.