The Amazon rainforest area in South America The Indian tribe, thought to have had little previous contact with civilization, was found in a remote area of the Amazon, approximately 2000 km to the north of Rio de Janeiro. It comprises 87 members. Called Metyktire, they are reported to be by and large naked, except for the men who use a penis sheaths, and the women shave the top of their heads. The reason for their not being discovered before now is thought at least to be partly due to the lack of larger rivers in the area, which makes communication difficult. The discovery was made when two members of the Metyktire tribe suddenly showed up in the Kayapo tribe  village, in the Menkregnoti reservation of the Amazon. The Metyktire tribe is a subgroup of the Kayapo tribe, with which it has had little significant contact, but the members speak an archaic form of the Kayapo language.
The Amazon rainforest area in South America An Indian tribe, thought to have had little previous contact with civilization, was found in a remote area of the Amazon, approximately 2000 km to the north of Rio de Janeiro. It comprises 87 members. Called Metyktire, they are reported to be by and large naked, except that the men use penis sheaths, and the women shave the tops of their heads. The reason for their not being discovered before now is thought to be at least partly due to the lack of larger rivers in the area, which makes communication difficult. The discovery was made when two members of the Metyktire tribe suddenly showed up in the Kayapo tribe 's village, in the Menkregnoti reservation of the Amazon. The Metyktire tribe is a subgroup of the Kayapo tribe, with which it has had little significant contact, but the members speak an archaic form of the Kayapo language.
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