The movement of the capital to Nusantara was reportedly described as a "10-year national priority program."
Orangutans hunting other primates is extremely rare behavior, scientists say.
Official estimates suggest that there are fewer than 80 of these rhinos left in the wild.
"Deforestation has caused the orangutan population to plummet; habitats are destroyed and orangutans are left to starve and die."
Gruesome remains found after Borneo resident's partly eaten body discovered in a river.
Deforestation is only half the story.
There were no survivors from the Indonesia AirAsia Flight QZ8501 that vanished from radar screens on Dec. 28.