This species is known from the northern slopes of Mount Roraima and the slopes of Mount Ayanganna in west-central Guyana, from 1,480-1,550m asl. Its distribution is poorly known, and it might occur more widely.
Habitat and Ecology
It has been recorded in primary montane forest. There is no information available about its breeding habits, but reproduction is likely to take place in water.
It is not thought to be a common species.
There are no known threats and this species' known localities are in undisturbed, remote areas.
Its range does not include any protected areas. More research into its extent of occurrence, ecological requirements and population status is needed.
This species is considered incertae sedis, and is presently left in the genus Hyla pending resolution of its taxonomic status (Faivovich et al. 2005).
Robert Reynolds, Marinus Hoogmoed, Ross MacCulloch, Philippe Gaucher 2004. Hyla warreni. In: IUCN 2013