to understand the structure of groups – such as bird flocks – we need to consider the characteristics and relationships of the individuals within them.

-Dr. Alex Thornton, principal investigator of the Cambridge Jackdaw Project, now at the University of Exeter…

The researchers discovered that birds prefer to fly close to members of their own species, and that the larger and more dominant rooks take the lead by flying near the front of flocks. Additionally, the lifelong, monogamous pair bonds that are characteristic of both species seem to be reflected in flight, as birds often fly particularly close to a single, same-species partner.

More here: (http://www.cam.ac.uk/news/how-birds-of-different-feathers-flock-together)

 

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