This species occurs from northeastern Brazil southward through central Paraguay, northern Argentina, eastern Bolivia, to extreme southern Brazil, Uruguay, and the La Plata Basin in Argentina, at 0-1,500m asl.
Habitat and Ecology
It occurs on herbaceous vegetation at the edge of standing water. It is an unspecialized species that occurs in many habitat types including tropical rainforest and open areas (Amazonian savannah and disturbed areas). It breeds in temporary waterbodies. It also adapts well to anthropogenic disturbance.
It is very common.
There are no known threats to this species.
It occurs in several protected areas. Taxonomy research is needed to resolve the species complex.
Red List Status
Least Concern (LC)
Listed as Least Concern in view of its wide distribution, tolerance of a broad range of habitats, presumed large population, and because it is unlikely to be declining fast enough to qualify for listing in a more threatened category.
This species was previously within the genus Hyla but has recently been moved to the resurrected genus Dendropsophus (Faivovich, et al., 2005). It is definitely a complex of more than one species.
Steffen Reichle, Lucy Aquino, Guarino Colli, Débora Silvano, Claudia Azevedo-Ramos, Rogério Bastos 2004. Dendropsophus nanus. The IUCN Red List of Threatened Species 2004: e.T55575A11320376. http://dx.doi.org/10.2305/IUCN.UK.2004.RLTS.T55575A11320376.en .Downloaded on 21 January 2019