This bird has adapted well to suburban parks and gardens in South Africa where it has become common in settled areas. In other parts of its range, it dwells in deep forests away from people. Until recently considered conspecific with Abyssinian Thrush, Usambara Thrush and Karoo Thrush. With all the splits there are now only 6 subspecies recognized, five of which occur in Southern Africa. This is the nominate race found in the Western Cape region of South Africa. It is averages darker but more brightly colored than other subspecies to the east and north. Canon PowerShot SX50 HS
References:
Bowie, Rauri & Bloomer, Paulette & A Clancey, Phillip & Crowe, Timothy. (2003). The Karoo Thrush (Turdus smithi Bonaparte 1850), a southern African endemic. Ostrich - Journal of African Ornithology. 74. 1-7.
Clement, P. & Hathway, R. (2000) Thrushes. Princeton Univ. Press, Princeton.
Collar, N. (2018). Olive Thrush (Turdus olivaceus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/58279 on 24 June 2018).
Hockey, PAR, WRJ Dean, and PG Ryan, eds. 2005. Roberts' Birds of Southern Africa. 7th ed. Cape Town: John Voelcker Bird Book Fund.