The most representative group in the Park are birds with more tan 468 regisered species, for example tinamou and gallinule (of traditional and dietary significance to local communities), wattled curassow (Crax globulosa), razr-billed curassow (Mitu tuberosum), grey-winged trumpeter (Psophia crepitan napensis). Equally important are species such as wood stork (Mycteria Americana) and cocoa heron (ardea cocoa). There are also macaws or parrots (Ara macao, Ara militaris, Ara ararauna, Ara chloroptera, Ara severa and Ara manilata). That represent the majority of species of this genus registered in all the country. The next most diverse group are mammals with 150 registered species suchas the Amazonian manatee (trichechus inunguis) , Amazon river dolphin (Inia geoffrensis) and tucuxi (Sotalia fluviatilis). There are also canids (Atelcynus microtis and Speothus onca). And cougar (Felis concolor discolor). Twlve species of primates have been registered, out of 27 for the entire country, such as the pygmy marmoset (Callithrix pygmaea), the smallest in the new wo0rld. There are also numerous species of reptiles, amphibians and fish.