Photo of Amazon Tribe Not a Hoax

This photo and caption released by Survival International on May 29, 2008, caused a stir: Uncontacted Indians in Brazil seen from the air, May 2008 © Gleison Miranda/FUNAI

Recent photos of an "uncontacted tribe" of Indians near the Brazil-Peru border have sparked media reports of a hoax, but the organization that released the images defends its claims and actions.

The photographs, which showed men painted red and black and aiming arrows skyward, were released in late May by Survival International, a London-based organization that advocates for tribal people worldwide. The release stated that "members of one of the world's last uncontacted tribes have been spotted and photographed from the air," and quoted the Brazilian government photographer saying, "there are some who doubt [the tribe's] existence" as justification for flying over the site and taking the pictures.

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Robin Lloyd

Robin Lloyd was a senior editor at Space.com and Live Science from 2007 to 2009. She holds a B.A. degree in sociology from Smith College and a Ph.D. and M.A. degree in sociology from the University of California at Santa Barbara. She is currently a freelance science writer based in New York City and a contributing editor at Scientific American, as well as an adjunct professor at New York University's Science, Health and Environmental Reporting Program.