What 3 different groups of people use the amazon rainforest?

They are 22 different indigenous groups (Baniwa, Kuripako, Dow, Hupda, Nad�b, Yuhupde, Bar�, Warekena, Arapaso, Bar�, Barasana, Desana, Karapan�, Kubeo, Makuna, Mirity-tapuya, Pira-tapuya, Siriano, Tariana, Tukano, Tuyuca, Wanana, Tatuyo, Taiwano, Yuruti, Kakwa and Nukak) each speak their own language, which comes from 3 different language family