Considered by some authors to be a subspecies of Black-browed Triller (Lalage atrovirens). References See References. Files: More Information Articles about the Biak Triller If you would like to read any articles about the Biak Triller... Show Articles (0) No Pictures of Biak Triller If Birdpedia has no pictures of Biak Triller or you would like to see more, then try the following... From BING (0) No Videos of Biak Triller If Birdpedia has no videos of Biak Triller or you would like to see more, then try the following.. From BING (0)