Nyanza Swift vs Pallid Swift
Apus niansae 비교 대상 Apus pallidus
Side-by-Side Comparison
| 속성 | Nyanza Swift | Pallid Swift |
|---|---|---|
| 학명 | Apus niansae | Apus pallidus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 31.0 cm (12.2 in) | 33.4 cm (13.1 in) |
| 체중 | 32.4 g (1.14 oz) | 42.25 g (1.49 oz) |
| 식성 | Obligate aerial forager; feeds entirely on the wing on small flying insects, midges, and airborne … | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. |
| 산란 수 | 1-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Nyanza Swift
High, thin sibilant trill with insect-like quality; barely perceptible rapid modulation of a single high-pitched note.
Pallid Swift
Melodic, rolling trill with rich timbre; sustained musical phrase with slight variations on repeated delivery at dusk.
Geographic Range & Migration
Nyanza Swift
Found in East Africa from Ethiopia and Sudan south to Uganda and Kenya. Resident or intra-African migrant in open savanna near Lake Victoria.
Pallid Swift
Breeds in the Mediterranean and North Africa east to Pakistan. Migratory; winters in sub-Saharan Africa from Senegal to Ethiopia.
보전 상태
Nyanza Swift
Pallid Swift
How to Tell Them Apart
Nyanza Swift
Dark sooty-brown overall; pale whitish chin and throat patch; underparts slightly paler brown; moderately forked tail; East African species similar to Common Swift but slightly paler below with a subtly …
Pallid Swift
Medium-large; pale brownish-grey overall, distinctly paler than Common Swift; larger pale throat patch; wing coverts show pale scaly edges; Mediterranean and Middle Eastern species; pale sandy-brown tone separates it from …
About These Birds
Nyanza Swift
니안사 칼새는 동아프리카와 중앙아프리카에 서식하는 칼새입니다. 짧은 꼬리와 갈색을 띤 검은 깃털이 특징이며, 절벽과 바위 지형에서 번식합니다.
Pallid Swift
창백한 칼새는 지중해와 중동, 아시아 중부에서 번식하고 아프리카에서 월동합니다. 연한 갈색 깃털과 목의 연한 색이 특징이며, 절벽과 건물에서 번식합니다.