The Amazon rainforest covers 7 out of the 27 Brazilian states, holding 39% of Brazil's 3,3 million square miles of area, which means that 1,28 million sq miles of the Amazon is located in Brazil. It is possible to spot: Several species of monkeys ruling the canopy, caiman, river dolphins, manatee, river otters, jaguars with much luck, piranha, electric eels & the giant Anaconda. Birdlife is abundant Araras, parakeets, macaws, nightjars, hoatzins, jacanas, crakes, ibis, herons, kingfishers & hundreds of species of insects.