ðɪ ˈiːstɚn pˌɑːpjʊlˈeɪʃən kæn biː fˈaʊnd ɪn fˈɔːɹɪsts sˈaʊθ ʌvðə mæŋɡˈoːɹoʊ ɹˈɪvɚ ænd ðɪ ˈɑːnaɪv ɹˈɪvɚ wɪðˌɪn ɹˌænəmɐfˈɑːnə nˈæʃənəl pˈɑːɹk.
The eastern population can be found in forests south of the Mangoro River and the Onive River within Ranomafana National Park.