African Palm Swift vs Mottled Spinetail
Cypsiurus parvus 비교 대상 Telacanthura ussheri
Side-by-Side Comparison
| 속성 | African Palm Swift | Mottled Spinetail |
|---|---|---|
| 학명 | Cypsiurus parvus | Telacanthura ussheri |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 27.2 cm (10.7 in) | 29.1 cm (11.5 in) |
| 체중 | 14.38 g (0.51 oz) | 32.65 g (1.15 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 | 4 |
| 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.
Mottled Spinetail
Harsh, grating screech followed by rapid chattering; loud, raspy trill repeated insistently near colony roost sites.
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.
Mottled Spinetail
Found across sub-Saharan Africa from Gambia east to Ethiopia and south to Zambia. Resident in forest, forest edge, and savanna woodland.
보전 상태
African Palm Swift
Mottled 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.
Mottled Spinetail
Large spinetail; dark blackish-brown upperparts; white-mottled pale greyish underparts creating distinctively spotted belly; white rump band; spiny tail tips; African forest species with unique mottled underpart pattern among spinetails.
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.
Mottled Spinetail
A medium-sized spinetail swift (14-15 cm) found in tropical forests across sub-Saharan Africa. Dark plumage with white mottling on the throat and belly. Spine-tipped tail for clinging to vertical surfaces. Aerial insectivore. Nests inside hollow trees and palm trunks.