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Deep in the tropical rain forests of south China's Hainan Province lives the world's rarest ape – the Hainan gibbon, with only about 42 individuals remaining in the world. Monitoring these critically endangered primates has long been a challenge, as the animals are difficult to see in the dense forest canopy. But their voices are helping scientists track them in new ways.
Deep in the tropical rain forests of south China's Hainan Province lives the world's rarest ape – the Hainan gibbon, with only about 42 individuals remaining in the world. Monitoring these critically endangered primates has long been a challenge, as the animals are difficult to see in the dense forest canopy. But their voices are helping scientists track them in new ways.