How do you calculate the number of chimpanzees living in the forests of Nigeria? If you’re National Geographic Explorer Rachel Ashegbofe, you listen carefully. After discovering that Nigerian chimpanzees are a genetically distinct population, Rachel began searching for their nests to study them more closely. Now she’s teaching her community how to be good neighbors to humans’ closest genetic relative—and potentially save them from extinction. For more information on this episode, visit nationalgeographic.com/overheard. Want more? Did you know that chimpanzees hunt tortoises? Catch up on all there is to know about Pan Troglodytes through National Geographic’s chimpanzee fact sheet. Chimpanzee moms form strong bonds with their children. Take a look at some of the latest research on the social lives of chimpanzee mothers. And for subscribers: Travel back in time to Jane Goodall’s original 1963 article for National Geographic, just three years after she started her field research at Gombe Stream National Park. Or take a look at the entire National Geographic Magazine Archive. Also explore: Learn more about Rachel Ashegbofe’s work through the website for the South West/Niger Delta Forest Project. Jane Goodall continues to be a conservation icon and she even has a podcast of her own called The Jane Goodall Hopecast. You can listen to the first episode here. For Disney+ subscribers, you can also watch National Geographic’s 2017 documentary film Jane, which features rare footage of her chimpanzee work, and 2020 film The Hope, which focuses on her career as an environmental activist. If you like what you hear and want to support more content like this, please consider a National Geographic subscription. Go to natgeo.com/exploremore to subscribe today. Learn more about your ad choices. Visit podcastchoices.com/adchoices

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“What did the council decide on item 42?” — answered with the speaker and the moment.

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