Wing-barred seedeater flowers, buds and fruits. It remains fairly common in Suriname, French Guiana and parts of Brazil, and is therefore considered to be of least concern by BirdLife International and IUCN. It is rare to uncommon in Venezuela and Guyana where threatened by trapping for the wild bird trade. Wing-barred seedeater The wing-barred seedeater ("Sporophila americana") is a passerine bird from coastal regions of north-eastern South America in north-eastern Venezuela, Tobago, the Guianas, Amapá and north-eastern Pará (with a single record from Maranhão), Brazil, and along the Amazon River upstream to around Manaus. Formerly, it included the mainly Central American "Sporophila
Geology of French Guiana the Paramaca series, which corresponds to a series of micaschists, aluminous paragneisses and black quartzites whose total thickness is about 1 km. The central granite massifs consist of granite plutons, granodiorites and quartz diorites dating from 2.05 to 2.15 billion years ago. The north of French Guiana corresponds to a synclinorium composed of the Paramaca series on which sandstone and fluviatile conglomerates lie unconformably. Shield rocks in Guyana are all dated between 1.6 and 2.5 billion years ago. The Quaternary lands are located in the northern part of Guyana, near the coast, unconformably on the Paleozoic lands. The coastal plains