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