In 1971, Biruté Galdikas entered Borneo’s rainforest to study orangutans; more than 50 years later, her foundation has helped return over 1,000 to the wild

When Biruté Galdikas ventured into the tropical forests of Borneo in 1971, it was a difficult environment. According to the Orangutan Foundation International, her early fieldwork involved living in challenging rainforest conditions while studying wild orangutans.

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