Pristimantis w-nigrum (Zurucuchu Robber Frog)
Pristimantis w-nigrum (Boettger, 1892)
It is a medium-sized brown frog, with a smooth venter, Finger I longer than Finger II, expanded digital discs and no webbing between the toes. It should be emphasized that Pristimantis w-nigrum is a species complex, so the diagnostic characters currently in the literature may not reflect the…
