Guianan savanna Guianan savanna The Guianan savanna (NT0707) is an ecoregion in the south of Venezuela, Guyana and Suriname and the north of Brazil. It is in the Amazon biome. The savanna covers an area of rolling upland plains on the Guiana Shield between the Amazon and Orinoco basins. It includes forested areas, but these are shrinking steadily due to the effect of frequent fires, either accidental or deliberate. The ecoregion includes the Gran Sabana region of Venezuela. The ecoregion includes three large unconnected areas totaling . The main section is in southeast Venezuela, the Brazilian state of Roraima and western Guyana.
Coraya wren Coraya wren The Coraya wren ("Pheugopedius coraya") is a species of bird in the Troglodytidae family, the wrens. It is found in Amazonian northern and northwestern South America, the northern Amazon Basin and the Guianas, of Guyana, French Guiana, Suriname, and Amazonian southeast Colombia, eastern Ecuador, and north and central Peru; also the southeastern Orinoco River Basin of Venezuela. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical swamps, and heavily degraded former forest. Besides the northern Amazon Basin and the Guianas including the Guiana Highlands, the contiguous range in the "southeastern" Amazon Basin extends to