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Borneo tough for red-haired vegans

The island’s fruit bounty fluctuates, creating dips in orangutans’ food supply

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4:53pm, December 14, 2011

The near-vegan lifestyle of wild orangutans in Borneo’s forests means the apes face recurring protein droughts severe enough that their body tissues start to waste away.

“They’re living on the margin,” says biological anthropologist Nathaniel Dominy of Dartmouth College.

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