African Palm Swift vs Brown-backed Needletail
Cypsiurus parvus เปรียบเทียบกับ Hirundapus giganteus
Side-by-Side Comparison
| คุณสมบัติ | African Palm Swift | Brown-backed Needletail |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Cypsiurus parvus | Hirundapus giganteus |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Apodidae | Apodidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 27.2 cm (10.7 in) | 40.6 cm (16.0 in) |
| น้ำหนัก | 14.38 g (0.51 oz) | 145.0 g (5.11 oz) |
| อาหาร | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. | Aerial insectivore feeding on tiny flies, beetles, and ballooning spiders in rapid powerful aerial pursuit. |
| จำนวนไข่ | 1-3 | 3-5 |
| Population Trend | — | — |
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
African Palm Swift only
Brown-backed Needletail only
Song & Call Comparison
African Palm Swift
Deep, hollow churring trill with resonant bass quality; prolonged vibrating call audible at significant range in open woodland.
Brown-backed Needletail
Rough, buzzy chatter with intermittent higher squeaks; coarse twittering delivered continuously throughout aerial foraging.
Geographic Range & Migration
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.
Brown-backed Needletail
Found from India and Sri Lanka through Southeast Asia to Borneo and the Philippines. Resident in lowland and hill forest, soaring over ridges.
สถานะการอนุรักษ์
African Palm Swift
Brown-backed Needletail
How to Tell Them Apart
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.
Brown-backed Needletail
Very large; dark brown upperparts with bronze gloss; no pale back saddle unlike congeners; white throat patch; white undertail coverts; short spiny tail; largest Hirundapus; brown rather than black overall …
About These Birds
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.
Brown-backed Needletail
A very large needletail swift (22-25 cm), the largest swift in Asia. Dark brown plumage with a paler brown back. Spine-tipped tail. Found in montane forests from India to Southeast Asia. Aerial insectivore with powerful flight. Often seen soaring over mountain ridges.