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Side-by-Side Comparison

属性	Pallid Swift	Alpine Swift
学名	Apus pallidus	Tachymarptis melba
目	Caprimulgiformes	Caprimulgiformes
科	Apodidae	Apodidae
保护状况	Least Concern	Least Concern
体长	—	—
翼展	33.4 cm (13.1 in)	43.9 cm (17.3 in)
体重	42.25 g (1.49 oz)	97.5 g (3.44 oz)
食性	Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders.	Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal …
产卵数	1-4	1-4
Population Trend	—	—

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Habitat Comparison

共同栖息地

无

Pallid Swift only

🌾 Grassland 🏖️ Coastal

Alpine Swift only

无

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Song & Call Comparison

Pallid Swift

鸣唱

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

Alpine Swift

鸣唱

Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.

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Geographic Range & Migration

Pallid Swift

Breeds in the Mediterranean and North Africa east to Pakistan. Migratory; winters in sub-Saharan Africa from Senegal to Ethiopia.

Alpine Swift

Breeds from southern Europe and North Africa east through Central Asia and the Himalayas to India. Migratory; winters in sub-Saharan Africa.

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保护状况

Least Concern

Pallid Swift

Least Concern

Alpine Swift

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How to Tell Them Apart

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 …

Alpine Swift

羽毛

Large; dark brown upperparts; white throat patch separated from white belly by dark brown breast band; brown flanks; bold tricoloured underpart pattern; one of Europe's largest swifts with distinctive white …

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About These Birds

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。

Alpine Swift

高山雨燕在欧洲山地和岩壁上繁殖，以白色腹部和较大体型为特征的长距离迁徙鸟类。

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