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Song & Call Comparison
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Song & Call Comparison
Plain Swift
鸣唱
Harsh, grating scream with descending inflection; loud raspy calls carrying urgency, often given during colony disturbance.
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
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Geographic Range & Migration
Plain Swift
Breeds on the Azores, Madeira, and Canary Islands. Resident on these Macaronesian archipelagos. Closely related to Common Swift.
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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Conservation Status Comparison
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保护状况
Least Concern
Plain Swift
Least Concern
Alpine Swift
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Identification Tips — How to Tell Them Apart
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How to Tell Them Apart
Plain Swift
羽毛
Dark sooty-brown plumage; very faint pale chin; no distinct throat patch; entirely plain and uniform; smaller than Common Swift; Macaronesian endemic breeding in Canary Islands and Madeira; coloration slightly paler …
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 Each Bird (Descriptions)
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Related Comparisons
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More Birds in Family
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