 Also, new species continue to be discovered and some species go extinct in the wild.Brazil has the highest diversity of primates (78species) and freshwater fish (over 3000 species) of any country in the world.It also claims the highest number of mammals with 524 species, the second highest number of amphibians with 517 species and butterflies with 3,150 species, the third highest number of birds with 1,622 species, and fifth number of reptiles with 468 species.