African Palm Swift vs Böhm's Spinetail
Cypsiurus parvus 비교 대상 Neafrapus boehmi
Side-by-Side Comparison
| 속성 | African Palm Swift | Böhm's Spinetail |
|---|---|---|
| 학명 | Cypsiurus parvus | Neafrapus boehmi |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 27.2 cm (10.7 in) | 24.0 cm (9.4 in) |
| 체중 | 14.38 g (0.51 oz) | 16.225 g (0.57 oz) |
| 식성 | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. | Aerial diet of small flying insects and spiders; forages at speed over forest and open … |
| 산란 수 | 1-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
African Palm Swift
Deep, hollow churring trill with resonant bass quality; prolonged vibrating call audible at significant range in open woodland.
Böhm's Spinetail
Soft, high twittering with delicate sibilant quality; rapid flutter of tiny notes almost insect-like in pitch and rhythm.
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.
Böhm's Spinetail
Found in Central and East Africa from Cameroon east to Tanzania and Mozambique. Resident in open forest; often associated with baobab trees.
보전 상태
African Palm Swift
Böhm's Spinetail
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.
Böhm's Spinetail
Small; dark brown-black upperparts; white rump patch; pale whitish underparts; very short stubby tail with prominent spiny tips; East African savanna species; tiny bat-like fluttering flight aided by extremely short …
About These Birds
African Palm Swift
길고 좁은 날개와 깊이 갈라진 꼬리를 가진 15–17 cm의 가는 칼새. 어두운 갈색 깃털. 사바나와 개방 삼림의 야자나무와 밀접하게 연관되어 사하라 이남 아프리카 전역에 분포. 공중 곤충식성. 아프리카에서 가장 풍부한 칼새 중 하나.
Böhm's Spinetail
A small swift (9-10 cm) of miombo woodland and open savanna across eastern and southern Africa. Dark plumage with a white rump and belly. Short, spine-tipped tail. Aerial insectivore with distinctive fluttering, bat-like flight low over the treetops.