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Side-by-Side Comparison

属性	House Swift	Pallid Swift
学名	Apus nipalensis	Apus pallidus
目	Caprimulgiformes	Caprimulgiformes
科	Apodidae	Apodidae
保护状况	Least Concern	Least Concern
体长	—	—
翼展	26.0 cm (10.2 in)	33.4 cm (13.1 in)
体重	28.15 g (0.99 oz)	42.25 g (1.49 oz)
食性	Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing.	Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders.
产卵数	1-5	1-4
Population Trend	—	—

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Habitat Comparison

共同栖息地

无

House Swift only

🌲 Forest

Pallid Swift only

🌾 Grassland 🏖️ Coastal

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Song & Call Comparison

House Swift

鸣唱

Soft, melodic warbling phrase with flowing quality; gentle notes weaving smoothly, typical of damp tropical forest mornings.

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

House Swift

Found from Afghanistan east through South and Southeast Asia to Japan and Indonesia. Common in urban areas and hill country up to 2,500 m.

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

House Swift

Least Concern

Pallid Swift

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How to Tell Them Apart

House Swift

羽毛

Small; dark sooty-brown; white rump patch; white throat; underparts dark; square-ended tail; East and Southeast Asian colonial swift; closely resembles Little Swift but slightly larger and marginally different in rump …

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

House Swift

尼泊尔雨燕分布于喜马拉雅至东南亚，在山地岩壁上繁殖。

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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