Slope-snouted Glass Frog
Observed in the ripararian vegetation above a small stream on the slopes of the Turrialba Volcano, 1400 masl. The following link is to a pdf on the rediscovery of Cochranella euknemos in Costa Rica.
The Ranita De Cristal (Cochranella euknemos) is a species of frog in the Centrolenidae family. It is found in Colombia, Costa Rica, and Panama. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, and rivers.