African Swift vs Ashy-tailed Swift
Apus barbatus 비교 대상 Chaetura andrei
Side-by-Side Comparison
| 속성 | African Swift | Ashy-tailed Swift |
|---|---|---|
| 학명 | Apus barbatus | Chaetura andrei |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Vulnerable |
| 체장 | — | — |
| 날개 폭 | 34.2 cm (13.5 in) | 22.3 cm (8.8 in) |
| 체중 | 42.666666666666664 g (1.51 oz) | 17.1 g (0.60 oz) |
| 식성 | Completely aerial diet of small flying insects and spiders; never forages on the ground or … | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. |
| 산란 수 | 1-2 | -- |
| Population Trend | — | — |
Song & Call Comparison
African Swift
Sharp, piercing screech followed by rapid chatter; intense series of notes escalating in speed and volume before fading.
Ashy-tailed Swift
Dry rattling chatter with sharp staccato onset; brief bursts of clicking notes followed by descending hissing sound.
Geographic Range & Migration
African Swift
Found across sub-Saharan Africa from Senegal east to Ethiopia and south to South Africa. One of Africa's most common swift species.
Ashy-tailed Swift
Found in eastern Brazil, Bolivia, Paraguay, and northern Argentina. Partially migratory; moves north in austral winter. Lowland forest.
보전 상태
African Swift
Ashy-tailed Swift
How to Tell Them Apart
African Swift
Dark sooty-brown throughout; pale throat patch whitish-grey; underparts slightly paler; broadly similar to Common Swift but slightly larger and marginally paler below; widespread Sub-Saharan African species.
Ashy-tailed Swift
Small; dark sooty-brown overall; distinctly pale ashy-grey rump and tail contrasting with dark body; underparts dark grey-brown; ashy rump and tail the defining feature separating it from other South American …
About These Birds
African Swift
아프리카 칼새는 사하라 이남 아프리카 전역에 분포하는 중간 크기의 칼새입니다. 검은 깃털과 흰 목이 특징이며, 절벽과 건물에서 집을 짓고 높은 곳에서 날아오르며 먹이를 잡습니다.
Ashy-tailed Swift
베네수엘라, 기아나, 트리니다드 저지대 숲 서식의 소형 칼새 (11–12 cm). 어두운 갈-검은색 깃털; 빠른 속도의 항공 비행; 공중 곤충 섭취.