World Bird List

Species factsheet
Pallid Swift (Apus pallidus)

Order: Apus pallidus
Family: Swifts (Apodidae)

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Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
brehmorum Madeira and Canary Is., coastal n Africa, s Europe to Turkey
illyricus nw coast of the Balkan Pen.
pallidus Mauritania through Egypt and the Middle East to Pakistan