In part three of our Radio Expedition to Central Africa, NPR's Alex Chadwick follows two field biologists into the forest in search of a large ape-like creature that may be an unknown species of gorilla or large chimpanzee. As they explore, Esteban Sarmiento of the American Museum of Natural History and George Schaller of the Wildlife Conservation Society, find a nest that suggests the presence of gorillas and other evidence that lean toward chimps. They also find lion tracks and ape feeding sites in a forest full of vibrant sights and sounds.
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