An extremely rare encounter has been captured on video as members of a remote Brazilian Amazon tribe made contact with outsiders for what is believed to be the first time.

Footage released Tuesday by Brazil’s National Indian Foundation (FUNAI) shows several loincloth-wearing tribesmen emerging from the jungle and warily approaching leaders of the Ashaninka tribe, who are offering them bananas. The video was filmed on June 30, according to the International Business Times.

The Times reports that a team of Brazilian scientists was flown in to make contact with the tribe. It is believed the natives fled Peru and crossed into Brazil some time in June after being driven out by logging and conflict with drug traffickers, the Los Angeles Times reports.

The video is attracting international attention, but Fiona Watson, a research director at indigenous rights organization Survival International, told the Times the contact is worrisome.

Watson said it’s extremely rare for tribes to move into other groups’ land unless there is serious trouble, and noted that people who have had no contact with the outside world are immediately jeopardized because they have no immunity to the flu or the common cold.

“We know from past experience that it wasn’t uncommon after forced contact for half the tribe to die,” Watson said.

It is believed that there are as many as 77 isolated tribes in Brazil’s Amazon region. This recent incident was the first contact with any isolated tribe since 1996, the Times said.

More on thestar.com: Photo gallery of first tribe’s first contact

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