Apus caffer / White-rumped swift (Apus caffer)

Wikipedia: White-rumped swift Quelle: OTHER Swift_White-rumped_2015_12_18_07_36_42_1782.jpg
Systematik: Gattung Apus; Unterfamilie Apodinae; Familie Apodidae
Allgemein: The white-rumped swift (Apus caffer) is a species of swift. Although this small bird is superficially similar to a house martin, it is not closely related to that passerine species. The resemblances between the swallows and swifts are due to convergent evolution reflecting similar life styles. [more]

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