This species occurs in southeastern Bolivia, southern Paraguay, northeastern Argentina, south-eastern Brazil, and Uruguay. It ranges between sea level and 200m asl.
Habitat and Ecology
It occurs in seasonally flooded grasslands, and leaf-litter of dry and moist forest. It is nocturnal, feeding principally on ants and reproduces in lentic pools. Eggs float on top of the water. It is tolerant of some habitat modification and can survive in rural gardens and urban areas.
This is an abundant species.
There are no major threats to this species.
It occurs in several protected areas.
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 removed from synonymy with Elachistocleis ovalis by Lavilla et al. (2003).
Esteban Lavilla, Ismael di Tada, Jose Langone 2004. Elachistocleis bicolor. The IUCN Red List of Threatened Species 2004: e.T57807A11684903. http://dx.doi.org/10.2305/IUCN.UK.2004.RLTS.T57807A11684903.en .Downloaded on 20 January 2019