Ptychadena trinodis
It is widely distributed in West and Middle Africa , and following the International Union for Conservation of Nature ( IUCN ) , occurs in Benin , Cameroon , Central African Republic , Chad , Democratic Republic of the Congo , Gambia , Ghana , Guinea , Ivory Coast , Mali , Mauritania , Nigeria , Senegal , and Togo . 
<triplet> Middle Africa <subj> Chad <obj> has part <triplet> Benin <subj> West <obj> part of