Both links PB
They have also been reported to communicate with humans telepathically. Witnesses have also seen them disappear directly ahead of them on forest paths, where they described a glimmering section that was barely visible, but almost liquid-like. Interdenominational doorway maybe?
There is a lot of weird and unexplained shit in this world, and people who believe that if science can't explain it, then it's not real, are either arrogant or in denial.