White-rumped Swift

Apus caffer

Summary 2

The White-rumped Swift (Apus caffer) is a small swift. Although this bird is superficially similar to a house martin, it is completely unrelated to that passerine species. The resemblances between the swallows and swifts are due to convergent evolution reflecting similar life styles.

Sources and Credits

  1. (c) Joaquim Maceira Muchaxo, some rights reserved (CC BY-NC-ND), http://www.flickr.com/photos/31318028@N00/3523259448
  2. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Apus_caffer

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