Distribution and Habitat
D. leucomelas is found in the northern part of continent of South America, most notably in Venezuela. It is also found in parts of Guyana, Brazil and the extreme easternmost part of Colombia. This amphibian is normally found in very humid conditions in tropical rain forests, close to fresh water. It is often found on flat rocks, trees, plants (notably, bromeliads) and the leaf litter of the forest floor. During the dry season, specimens are known to congregate in damper places, such as under rocks or fallen tree trunks.
The D. leucomelas' natural habitat is tropical, and not subject to great seasonal temperature variations. Typically, temperature variances are related to elevation and time of day, and range from the low 20s to the low 30s °C. In captivity, care must be taken not to overheat the frogs, as they can be sensitive to higher temperatures.
Although preferring high humidity levels, this species can handle lower humidity levels much better than other species in the genus. Specimens can also be found in the seasonally drier forest islands in its natural range, and at elevations ranging from sea level to 800 metres AMSL.
Read more about this topic: Yellow-banded Poison Dart Frog
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