African Palm Swift vs Silver-backed Needletail
Cypsiurus parvus 비교 대상 Hirundapus cochinchinensis
Side-by-Side Comparison
| 속성 | African Palm Swift | Silver-backed Needletail |
|---|---|---|
| 학명 | Cypsiurus parvus | Hirundapus cochinchinensis |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 27.2 cm (10.7 in) | 36.6 cm (14.4 in) |
| 체중 | 14.38 g (0.51 oz) | 85.97999999999999 g (3.03 oz) |
| 식성 | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. | Obligate aerial forager on small insects and airborne spiders; among the fastest-flying of all swift … |
| 산란 수 | 1-3 | -- |
| Population Trend | — | — |
Habitat Comparison
공유 서식지
African Palm Swift only
Silver-backed Needletail only
Song & Call Comparison
African Palm Swift
Deep, hollow churring trill with resonant bass quality; prolonged vibrating call audible at significant range in open woodland.
Silver-backed Needletail
Dry, rattling trill with softer ending; rapid series of clipped notes dropping slightly in pitch as the bird gains speed.
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.
Silver-backed Needletail
Found from northeastern India and China through Southeast Asia to the Greater Sundas. Partially migratory; winters south in forest and open areas.
보전 상태
African Palm Swift
Silver-backed Needletail
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.
Silver-backed Needletail
Large; blackish-brown body; distinctive large silvery-white back patch between wings; white throat and undertail coverts; short spiny tail; Southeast Asian species closely resembling White-throated Needletail but silvery-white saddle more extensive.
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.
Silver-backed Needletail
회색침꼬리칼새(Hirundapus cochinchinensis)는 인도에서 동남아시아까지 구릉지와 산악림에 서식하는 19–20cm 대형 침꼬리 칼새다.