Wednesday 9 July 2014

Starling murmuration

Link to RSPB website of Starling murmuration in the Cambridgeshire Fen Drayton Lakes

Large flock of starlings congregating at dusk
David Kjaer

Also in Avalon Marshes in Somerset

Starling murmuration is studied by computational biologists

  • George F. Young,


  • Luca Scardovi,


  • Andrea Cavagna,


  • Irene Giardina,


  • Naomi E. Leonard


  • Their paper Starling Flock Networks Manage Uncertainty in Consensus at Low Cost is here 
    Author summary
    Starling flocks move in beautiful ways that both captivate and intrigue the observer. Previous work has shown that starlings pay attention to their seven closest neighbors, but until now it was not understood why this number is seven. Our paper explains the mystery: when uncertainty in sensing is present, interacting with six or seven neighbors optimizes the balance between group cohesiveness and individual effort. To prove this result we develop a new systems-theoretic approach for understanding noisy consensus dynamics...more

    Watch here - turn the music off (!)

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