10 facts about the tukano tribe

1they live in In the north of the amazon rainforest : south America.
2they eat anything that they can collect in the forest ... EG. animals, berry's, nuts , seeds , flowers , plants and anything that they can really find / forage for
3The Tucano are a multilingual people because men must marry outside their language group; that is
 4no man may have a wife who speaks his language, for that kind of marriage relationship is not permitted and would be viewed as a kind of incest.
 5 the Tucano practice linguistic exogamy
6 They are usually described as being made up of many separate tribes, although the appellation is somewhat problematic due to the complex social and linguistic structure of the region
7 The Tukano recognize 137 varieties of manioc
8 the tukano tribe, which extends into Brazil and is the largest group
9They're never the work of committees of living individuals
10The Tukano are 6,000 people living in the border with Colombia and Venezuela

Answer the collision of tectonic plates;