The Anavilhanas archipelago, there is hundreds of islands in the Rio Negro. it is located on the Rio Negro river, approximately 70 km upstream from Manaus, Brazil, at a place where the river becomes almost 30 km wide during the wet season. When the water rises, about four hundred elongated islands and canals form within the riverbed, covered by inundated forests and compact vegetation that serves as a shelter for diverse birds, animals, rodents and insects. The impressive black waters of the Rio Negro too, has an extremely abundant aquatic life with several species of fish, including the famous Pirarucu, Tucunaré, and piranhas, as well as crocodiles, dolphins and manatees. The Anavilhanas Archipelago has had a protected status since 1997 and is on UNESCO’s ‘tentative list’ as an important ecological site.
More infos: UNESCO | Blue Dot Post | Natural Wonders of S.America