With 650 species of birds, 120 of mammals, 80 of reptiles, Pantanal is home to the largest concentration of fauna in the Americas, covering parts of Brazil, Bolivia and Paraguay. In the Wet Season, this area is flooded by waters overflowing from its rivers: this is the time when there is an explosion of color in the rich aquatic flora, with the mammals concentrated on a few mound hills. In the Dry Season, lakes are formed which provide a source of food for an enormous variety of wildlife, including migratory birds from all over the world. Hosting 700 species of birds among a lot of other animals, the Pantanal has one of the largest diversities of wildlife in the whole of the Americas.