Osteocephalus yasuni
It is found in the upper Amazon Basin in southern Colombia ( Amazonas and Caquetá Departments ) , Ecuador , and northeastern Peru ( Loreto Region ) at elevations of above sea level . 
<triplet> Amazon Basin <subj> Colombia <obj> country <subj> Ecuador <obj> country <triplet> Colombia <subj> Amazonas <obj> contains administrative territorial entity <subj> Caquetá Department <obj> contains administrative territorial entity <triplet> Amazonas <subj> Colombia <obj> country <triplet> Caquetá Department <subj> Colombia <obj> country <triplet> Peru <subj> Loreto Region <obj> contains administrative territorial entity <triplet> Loreto Region <subj> Amazonas <obj> shares border with <subj> Peru <obj> country