Rare uncontacted tribe photographed in Amazon

Members of an unknown Amazon Basin tribe and their dwellings are seen during a flight over the Brazilian state of Acre along the border with Peru in this May, 2008 photo distributed by FUNAI, the government agency for the protection of indigenous peoples. Survival International estimates that there are over 100 uncontacted tribes worldwide, and says that uncontacted tribes in the region are under increasing threat from illegal logging over the border in Peru. (Funai-Frente de Proteção Etno-Ambie

RIO DE JANEIRO (Reuters) - Amazon Indians from one of the world's last uncontacted tribes have been photographed from the air, with striking images released on Thursday showing them painted bright red and brandishing bows and arrows.

The photographs of the tribe near the border between Brazil and Peru are rare evidence that such groups exist. A Brazilian official involved in the expedition said many of them are in increasing danger from illegal logging.