Most of us have seen the movie "Fly Away Home". That movie is based on Bill Lishman and his revolutionary work with helping birds migrate using Ultralight airplanes.
Bill Lishman passed away Dec 30th, 2017. May he rest in peace.
https://en.wikipedia.org/wiki/Bill_Lishman
Comments
That movie is part of why I fly a trike. Sad to hear this. Blue Skies Bill.