Science Friday Teamwork Between Species Is The Key To Life Itself
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Sep 18, 2025 Rob Dunn, an ecologist and author based in North Carolina, dives into the fascinating world of mutualisms between species. He argues that humans thrive on interspecies partnerships, forming thousands of connections with animals, plants, and microbes. Dunn shares captivating stories, like honey guides leading humans to hives and dolphins signaling fish traps. He also discusses the evolutionary roles of fruit in seed dispersal, the domestication of dogs, and how yeast has influenced human culture. It's a fresh look at life's interconnected tapestry!
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The Honey Guide Leads Humans To Honey
- The honey guide bird leads humans to bee hives by making a specific call and flight that say "follow me."
- Some human cultures have responded to that call for thousands of years in culturally specific ways.
Nonhumans Often Initiate Partnerships
- Some mutualisms are initiated by non-human species that signal humans to partner, showing animals can have agency.
- Dunn asks which species today are calling to us and whether we are listening amid environmental change.
Marine Animals Signaled Humans During Hunts
- Multiple human groups have cooperative hunting partnerships where dolphins or killer whales signal trapped prey to people.
- In southeastern Australia killer whales signaled whalers after trapping baleen whales, and humans left the tongues for the whales.
