Little Swift vs African Palm Swift
Apus affinis 비교 대상 Cypsiurus parvus
Side-by-Side Comparison
| 속성 | Little Swift | African Palm Swift |
|---|---|---|
| 학명 | Apus affinis | Cypsiurus parvus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 25.3 cm (10.0 in) | 27.2 cm (10.7 in) |
| 체중 | 25.0 g (0.88 oz) | 14.38 g (0.51 oz) |
| 식성 | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. |
| 산란 수 | 1-3 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Little Swift
Harsh, crackling chatter with emphatic rhythm; series of rough notes delivered at pace with occasional sharp screech.
African Palm Swift
Deep, hollow churring trill with resonant bass quality; prolonged vibrating call audible at significant range in open woodland.
Geographic Range & Migration
Little Swift
Found across Africa and Asia from Senegal east to India and Sri Lanka, and southeast to Southeast Asia. Common in urban areas and open country.
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.
보전 상태
Little Swift
African Palm Swift
How to Tell Them Apart
Little Swift
Small; dark sooty-brown; large white rump patch; white throat; underparts dark; square-ended tail; widespread from Africa to Asia; the large square white rump patch and square tail distinguish it from …
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
Little Swift
소형 칼새 또는 집 칼새는 남아시아와 동남아시아, 아프리카에 걸쳐 넓게 분포합니다. 작은 체구와 흰 허리 패치가 특징이며, 인간 거주지 건물에 집을 짓는 도시 적응력이 뛰어납니다.
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.