This species is found in moist evergreen rainforest in central west Africa, south of the Sanaga River (Cameroon) through to mainland Equatorial Guinea, western Gabon, and south-western Congo (Brazzaville) to the Kouilou River, and down to the Congo River. Inland, the Ivindo River and Ogooue River in Gabon limit its distribution to the east. In Cameroon, it is not known to occur east of the Dja river. It does not occur in the forests of south-east Cameroon or east of the Congo River. Telfer et al's (2003) study indicate that the OgoouÃ© River, Gabon, bisects the range of the two populations, seperating them into two distinct populations 1) Cameroon and northern Gabon and 2) southern Gabon.
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