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Side-by-Side Comparison

属性	Nyanza Swift	Pallid Swift
学名	Apus niansae	Apus pallidus
目	Caprimulgiformes	Caprimulgiformes
科	Apodidae	Apodidae
保护状况	Least Concern	Least Concern
体长	—	—
翼展	31.0 cm (12.2 in)	33.4 cm (13.1 in)
体重	32.4 g (1.14 oz)	42.25 g (1.49 oz)
食性	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.
产卵数	1-3	1-4
Population Trend	—	—

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Habitat Comparison

共同栖息地

无

Nyanza Swift only

🌿 Wetland

Pallid Swift only

🌾 Grassland 🏖️ Coastal

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Song & Call Comparison

Nyanza Swift

鸣唱

High, thin sibilant trill with insect-like quality; barely perceptible rapid modulation of a single high-pitched note.

Pallid Swift

鸣唱

Melodic, rolling trill with rich timbre; sustained musical phrase with slight variations on repeated delivery at dusk.

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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.

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保护状况

Least Concern

Nyanza Swift

Least Concern

Pallid Swift

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How to Tell Them Apart

Nyanza Swift

羽毛

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

羽毛

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 …

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About These Birds

Nyanza Swift

尼安萨雨燕栖息于东非和埃塞俄比亚高原，在岩石崖壁上繁殖。

Pallid Swift

淡色雨燕在地中海沿岸和北非繁殖，颜色比普通雨燕更淡。

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