The legends have been around for quite a while, but in recent times there seems to be more documented cases & sightings.
http://wdtrg.blogspot.com/2014/03/ken-gerhard-on-flying-humanoids-march.html
http://mysteriousuniverse.org/2013/11/flying-humanoids-the-dark-side
http://bragalia.blogspot.com/2013/08/the-flying-humanoids-mystery-solved-by.html
