02/02/13; Beni; 1,729,788 ha; 14°48'54"S 066°12'00"W. The site is composed of a great ecosystem range with recent alluvial plains, rivers, lakes, and marshes, generally representative of the Amazon's flooded forests. There are 24 threatened species of vertebrates, such as the Giant Otter Pteronura brasiliensis and Peruvian spider monkey Ateles chamek. Overall, some 102 mammal, 206 bird, 75 reptile, and 394 fish species have been identified within the site, and 17 migratory bird species can be found, like Pearl Kite Gampsonyx swainsonii, Osprey Pandion haliaetus, and Upland Sandpiper Bartramia longicauda, amongst others. The fish community of 394 species in the Marmoré river basin is said to amount to 55% of the fish species in the Amazon basin, from which 50 species of the Ramsar Site are migratory. Ramsar Site no. 2093. Most recent RIS information: 2013.