Brazil South America Argentina 58 Uruguay 27 climate modeling 19 savanna 18 regional climate 17 seasonal variation 17 Animals 16 article 16 Atlantic Ocean 15 Paraguay 15 precipitation (climatology) 13 animal 12 cerrado 12 climate change 12 geographical distribution 12 morphology 12 Cerrado 10 Chile 10 annual variation 10 transpiration 10 Climatology 9 Rio de la Plata 9 new species 9 Andes 8 Atlantic Ocean (South) 8 Bolivia 8 Gondwana 8 Phylogeny 8