Hyperolius sylvaticus
It is found in southern Ivory Coast , Ghana , Togo , Nigeria , and western Cameroon , with a ( perhaps apparent ) gap in Benin . 
<triplet> Togo <subj> Benin <obj> shares border with <triplet> Nigeria <subj> Cameroon <obj> shares border with <subj> Benin <obj> shares border with <triplet> Cameroon <subj> Nigeria <obj> shares border with