National Geographic have just announced the exciting discovery of 219 'nests' in Kalimantan:
"It may seem hard to miss hundreds of fiery-orange apes—unless they live hidden in 2 million acres (809,371 hectares) of Borneo's rugged mountain forests.
Combing through the island's East Kalimantan Province—part of Borneo's Indonesian sector—last December, conservationists discovered 219 orangutan nests.
The scientists used this number to make a wider estimate that the new population may contain up to two thousand Bornean orangutans."
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