Pallid Swift (Apus pallidus) / 2017-08-23 / Campement d'oryx - Oryx camp (Chad)
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| Martinet pâle / Pallid Swift visibility 144 |
© Tim Wacher |
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Bird at lower right considered A. pallidus. Upper left uncertain. Moulted/short secondaries frequent on dark toned birds in OROA late August-September but not on pale birds - implying they come from a different populations. Suspected A. barbatus - perhaps A. apus.
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