South America Argentina 1,348 Western Hemisphere 272 World 272 Patagonia 242 article 231 Animals 194 Buenos Aires [Argentina] 189 taxonomy 166 Andes 154 morphology 142 Cretaceous 136 Brazil 132 precipitation (climatology) 123 nonhuman 121 animal 115 climate change 111 seasonal variation 104 paleomagnetism 97 Atlantic Ocean 96 Neuquen Basin 95 Mendoza 94 climate modeling 91 Gondwana 90 Jurassic 88 Climate change 86 regional climate 83 abundance 82 phylogeny 80 Rio de la Plata 79