 Today they live in around 30 indigenous lands (similar to Native American reservations), especially at Rio Grande do Sul and Paraná.In the 1960s, because of a missionary interest (conducted by the Summer Institute of Linguistics (SIL)), the language was studied by Ursula Wiesemann.The Kaingang and Xokleng were previously considered a single ethnicity, which went by a number of names, including "Amhó, Dorin, Gualachi, Chiqui, Ingain, Botocudo, Ivitorocái (= Amho), Kamé, Kayurukré, Tain (= Ingain), Taven."