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.
White-fronted manakin north of the Amazon River. The species is not found south of the Amazon River into the southeast Amazon Basin. The contiguous range in the Guianas, in the east encompasses all of French Guiana, and in the center country of Suriname, divides the country diagonally, being found in the southeast parts bordering French Guiana. Some disjunct locale areas of Guyana besides the southeast continuous range occur in Guyana's southwest at the headwaters of the Essequibo River and the Guiana Shield. This bird has a very wide range, is fairly common and is presumed to have a large total population. The