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  1. #1
    Join Date
    Nov 2010
    Posts
    4,351

    UAVs Send Bears' Hearts Aflutter


    Do bears get freaked out by airborne drones?


    By Charles Q. Choi, LiveScience
    AUGUST 16, 2015


    [A] group of researchers finds that despite the calm demeanor bears may display in the presence of airborne robots, drones make bear heart rates soar, a major sign of stress.

    "The magnitude of some of the heart-rate spikes were shocking," study lead author Mark Ditmer, a wildlife ecologist at the University of Minnesota at St. Paul, told Live Science.

    Read more at .....

    http://www.csmonitor.com/Science/201...irborne-drones
    "Some circumstantial evidence is very strong, as when you find a trout in the milk."
    - Henry David Thoreau

  2. #2
    Join Date
    Oct 2012
    Location
    Heart of Europe
    Posts
    27,185
    I was just wondering; catching, anaesthetizing and implanting the heart monitors in the bears must have been extremely stressful experiences for them.

    Is it possible those experiences were preceded by the noise of a helicopter carrying the research team? And so what's causing the bears' heart rate to spike is the reminder of that, when they hear a drone?
    We 'embraced' the missing Bob Harrod case as requested but 6 years on, are still waiting for further guidance


    Flyers/FB/Case Overview&Media Links
    http://www.websleuths.com/forums/sho...2009-19/page22



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