Considered by some authors to be a subspecies of Golden-faced Tyrannulet (Zimmerius chrysops). References See References. Files: More Information BirdLife International For more information about the Choco Tyrannulet see... BirdLife International Species Factsheet. Articles about the Choco Tyrannulet If you would like to read any articles about the Choco Tyrannulet... Show Articles (0) No Pictures of Choco Tyrannulet If Birdpedia has no pictures of Choco Tyrannulet or you would like to see more, then try the following... From BING (1) No Videos of Choco Tyrannulet If Birdpedia has no videos of Choco Tyrannulet or you would like to see more, then try the following.. From BING (0)