Having the back olivaceous: as, the olive-backed thrush. See oliveback.
The Century Dictionary (Public Domain)
Use "olive-backed" in a sentence
"Response: This is a male olive-backed Sunbird, Cinnyris jugularis."
"Smithsonian scientists have published the description of a new bird, the olive-backed forest robin (Stiphrornis pyrrholaemus), from Gabon in Africa."
"VIEW FAVORITES yahooBuzzArticleHeadline = 'Smithsonian scientists discover new bird species'; yahooBuzzArticleSummary = 'Scientists have discovered a new species of bird in Gabon, Africa, that was, until now, unknown to the scientific community: an olive-backed forest robin (Stiphrornis pyrrholaemus)."