The ecoregion has diverse fauna.
More than 50 species of mammals have been recorded, including opossums, bats, tufted capuchin (Sapajus apella), common squirrel monkey (Saimiri sciureus), Venezuelan red howler (Alouatta seniculus), white-faced saki (Pithecia pithecia), giant anteater (Myrmecophaga tridactyla), jaguar (Panthera onca), cougar (Puma concolor), ocelot (Leopardus pardalis) and capybara (Hydrochoerus hydrochaeris).