Nymphargus buenaventura is only known from Buenaventura Reserve (03 38’S, 79 45’W, 1200 masl), canton of Piñas, Province of El Oro, Ecuador (Cisneros-Heredia and Yánez-Muñoz, 2007).
Habitat and Ecology
The type locality is covered by Seasonal Evergreen forest. Individuals are found on leaves of shrubs and low trees, 1-3 m above streams. Calling activity has been reported for the months of December and July. Egg clutches have been found on the upper side of leaves above rivulets. They contain ca 38 eggs and there are suggestions that males may exhibit parental care. Other sympatric species include Centrolene prosoblepon, Hyloscirtus alytolylax and two undescribed species of Pristimantis (Cisneros-Heredia and Yánez-Muñoz, 2007).
The species may use temporary (seasonal) sources of running water during the reproductive period. During the non-reproductive period the species appears to inhabit the forest canopy (D.F. Cisneros-Heredia, pers. comm. 2008).
The species is only known from the type series, comprised of four specimens, but additional individuals were observed at the type locality. It considered to be an uncommon species at the type locality (D.F. Cisneros-Heredia, pers. comm. 2008).
Severe habitat destruction and transformation (D.F. Cisneros-Heredia, pers. comm. 2008).
The species is found within the boundaries of Buenaventura Reserve (Cisneros-Heredia and Yánez-Muñoz, 2007).
In the genus Nymphargus according to Cisneros-Heredia and McDiarmid (2007). Nymphargus buenaventura is distinguished from other species of glassfrogs by a combination of morphological features and colour patterns (Cisneros-Heredia and Yánez-Muñoz, 2007).
Diego F. Cisneros-Heredia 2008. Nymphargus buenaventura. In: IUCN 2014