A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
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!