(i) Pantanal lies towards the south western part of the highland area in Brazil.
(ii) Roughly 80% of the Pantanal flood plains are submerged during the rainy season.
(iii) This region is filled with swamps and marshes from the northwestern part of Mato Grosso Do Sul in Brazil till Argentina.
(iv) Hence Pantanal is called the largest wetland in the world.