The foundation of the Church of Birds goes back to Homo erectus, who chose to live along serpentine rivers in the busiest bird migration corridors in the world.
It's well accepted that the Irish version of Christianity is more rooted in the natural world than most, so it should come as no surprise that St. Brendan Migration map suggests birds led St. Brendan to Iceland
It all started in the spring of 2014 during a visit to the 5,200-year-old megalithic mound known then as Newgrange, sitting atop a hill inside a bend of A swan etched in stone at a sacred Irish mound may be a 5,000-year-old link to the winter solstice.