Pristimantis nigrogriseus (Charcoal Robber Frog)
Pristimantis nigrogriseus (Andersson, 1945)
It is a small brown frog with a red iris and a black groin with yellow spots. It has a conical tubercle on the heel, the discs of its fingers and toes are broadly expanded, and it lacks basal webbing between the toes. The most similar species is Pristimantis churuwiai, with which it shares the…
