African Swift vs Bradfield's Swift
Apus barbatus 비교 대상 Apus bradfieldi
Side-by-Side Comparison
| 속성 | African Swift | Bradfield's Swift |
|---|---|---|
| 학명 | Apus barbatus | Apus bradfieldi |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 34.2 cm (13.5 in) | 35.2 cm (13.9 in) |
| 체중 | 42.666666666666664 g (1.51 oz) | 44.25 g (1.56 oz) |
| 식성 | Completely aerial diet of small flying insects and spiders; never forages on the ground or … | Entirely aerial insectivore consuming swarms of tiny flies, winged ants, and ballooning spiders on the … |
| 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.
Bradfield's Swift
Pure, whistled two-note phrase; first note high and sustained, second lower and brief, repeated every few seconds clearly.
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.
Bradfield's Swift
Found in Namibia and adjacent parts of South Africa, Botswana, and Angola. Resident in rocky desert, escarpment cliffs, and semi-arid terrain.
보전 상태
African Swift
Bradfield'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.
Bradfield's Swift
Dark sooty-brown overall; pale greyish throat patch; underparts slightly paler; large for an African Apus swift; Southern Africa dry-country specialist; slightly larger and greyer-toned than Pallid Swift with less pale …
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.
Bradfield's Swift
브래드필드 칼새는 나미비아와 앙골라 일부 지역에 서식하는 소형 칼새입니다. 연한 갈색 깃털과 흰 허리가 특징이며, 건조한 절벽과 협곡 지형을 선호합니다.