African Swift vs Forbes-Watson's Swift
Apus barbatus 비교 대상 Apus berliozi
Side-by-Side Comparison
| 속성 | African Swift | Forbes-Watson's Swift |
|---|---|---|
| 학명 | Apus barbatus | Apus berliozi |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 34.2 cm (13.5 in) | 34.0 cm (13.4 in) |
| 체중 | 42.666666666666664 g (1.51 oz) | 43.166666666666664 g (1.52 oz) |
| 식성 | Completely aerial diet of small flying insects and spiders; never forages on the ground or … | Obligate aerial feeder on small insects and arachnids; catches prey in a wide gape during … |
| 산란 수 | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
African Swift
Sharp, piercing screech followed by rapid chatter; intense series of notes escalating in speed and volume before fading.
Forbes-Watson's Swift
Rapid, buzzy chatter descending at end; rough staccato notes spilling quickly with emphatic final chip before silence.
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.
Forbes-Watson's Swift
Breeds in the Arabian Peninsula and East Africa from Somalia south to Tanzania. Partially migratory; range and taxonomy incompletely understood.
보전 상태
African Swift
Forbes-Watson's 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.
Forbes-Watson's Swift
Dark sooty-brown overall with pale buff throat patch; underparts slightly paler brown; Socotra Island and East African coast species; plumage similar to African Swift but slightly paler throat and restricted …
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.
Forbes-Watson's Swift
베를리오즈 칼새는 소말리아와 에티오피아 아덴만 연안에 서식하는 칼새입니다. 카보베르데 칼새와 유사하지만 다른 지역에 서식하며, 어두운 깃털과 작은 흰 허리 패치가 특징입니다.