by Joe Cochrane for New York Times
Around half of all orangutans living on the Southeast Asian island of Borneo — nearly 150,000 in all — vanished during a recent 16-year period. The causes included logging, land clearance for agriculture and mining that destroyed their habitats, according to a study in Current Biology released on Thursday.
However, many orangutans also disappeared from more intact, forested areas, the researchers say, suggesting that hunting and other direct conflicts between orangutans and humans remain a major threat to the species.
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