Pacific Swift vs African Palm Swift
Apus pacificus 비교 대상 Cypsiurus parvus
Side-by-Side Comparison
| 속성 | Pacific Swift | African Palm Swift |
|---|---|---|
| 학명 | Apus pacificus | Cypsiurus parvus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 34.6 cm (13.6 in) | 27.2 cm (10.7 in) |
| 체중 | 41.516666666666666 g (1.46 oz) | 14.38 g (0.51 oz) |
| 식성 | Feeds aerially on tiny insects and spiders, often following weather fronts where aerial plankton concentrates. | 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
Pacific Swift
Thin, reedy trill with nasal overtone; soft chattering notes delivered continuously during rapid low-level flight over fields.
African Palm Swift
Deep, hollow churring trill with resonant bass quality; prolonged vibrating call audible at significant range in open woodland.
Geographic Range & Migration
Pacific Swift
Breeds from Siberia and Japan south to China and the Himalayas. Long-distance migrant wintering in Southeast Asia and Australia.
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
Pacific Swift
African Palm Swift
How to Tell Them Apart
Pacific Swift
Dark blackish-brown upperparts; distinctive white rump patch contrasting with dark back; white throat patch; underparts dark with pale brown barring; deeply forked tail; white rump distinguishes it from Common Swift …
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
Pacific Swift
태평양 칼새는 동아시아와 오스트레일리아 사이를 이주하는 칼새입니다. 흰 허리 패치와 긴 꼬리가 특징이며, 큰 무리를 이루어 이주하며 공중에서 곤충을 잡습니다.
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.