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    Re: GPS for chickens and spinach
    From: Bill Lionheart
    Date: 2019 Feb 25, 09:59 +0000

    I expect this has been discussed before on NavList, but I remember speculation whales uses CN. Eg https://www.forbes.com/sites/alexknapp/2011/04/20/do-whales-use-the-stars-to-navigate/ Article said they swim in straight lines. I assume they mean geodesics!

    Bill

       
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