Thursday, November 9, 2017

Crested Pigeons Sound the Alarm With Whistling Wings

  1. Crested Pigeons Sound the Alarm With Whistling Wings  Gizmodo
  2. Darwin's theory of bird flapping proved right - and it explains why pigeons make such a racket  Telegraph.co.uk
  3. Crested pigeons sound the alarm with their wings  Science NewsFull coverage
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