Cook's Swift vs African Palm Swift
Apus cooki 비교 대상 Cypsiurus parvus
Side-by-Side Comparison
| 속성 | Cook's Swift | African Palm Swift |
|---|---|---|
| 학명 | Apus cooki | Cypsiurus parvus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Not Evaluated | Least Concern |
| 체장 | — | — |
| 날개 폭 | — | 27.2 cm (10.7 in) |
| 체중 | 42.949999999999996 g (1.52 oz) | 14.38 g (0.51 oz) |
| 식성 | Catches aerial plankton — tiny midges, gnats, and ballooning spiders — continuously during soaring flight. | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. |
| 산란 수 | -- | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Cook's Swift
Bright, flute-like series of liquid notes; clear melodic phrase ascending slightly then resolving on a sustained pure tone.
African Palm Swift
Deep, hollow churring trill with resonant bass quality; prolonged vibrating call audible at significant range in open woodland.
Geographic Range & Migration
Cook's Swift
Found from southern Thailand through the Thai-Malay Peninsula to Sumatra, Borneo, and adjacent islands. Resident in lowland forest.
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
Cook's Swift
African Palm Swift
How to Tell Them Apart
Cook's Swift
Dark sooty-brown upperparts; white rump patch; pale white throat; dark underparts; deeply forked tail; recently split taxon from Pacific Swift complex; plumage essentially identical to close relatives, distinguished primarily by …
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
Cook's Swift
쿡 칼새는 동남아시아와 남아시아 일부 지역에 서식하는 소형 칼새입니다. 흰 목과 작은 체구가 특징이며, 집 칼새와 유사하지만 분포 범위와 생태가 다릅니다.
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.