Adult: Species description based on Duellman (2001). A large treefrog with rather short limbs (males to 73 mm, females to 82 mm). Dorsal: The dorsal surface is light brown. The sides are darker than the upper dorsal surface. Coloration may be lighter during the day. Ventral: The ventral surface appears light grey or greyish brown. Concealed surfaces: The inner surfaces of the limbs are dark brown. Eye: The eye is grey or greyish-brown. Extremities: The webbing between the fingers and toes is not extensive. The finger and toe discs are quite large.
Habitat: Lowland to montane cloudforest to 4200 m. Ecology: Gastrotheca nicefori lives in forest canopy. Call: A number of chicken-like "clucks" (Duellman 2001). Type locality: Pensilvania, Colombia