When We Talk About Animals · Law, Environment & Animals Program at Yale Law School

Ep. 3 – Sue Savage-Rumbaugh on learning from humanity’s closest living relatives

·1 hr 5 min·5 clips

Discover the bonobo, an egalitarian ape that challenges what it means to be human in this Yale podcast.

This episode features primatologist Dr. Sue Savage-Rumbaugh discussing her groundbreaking work with bonobos, humanity's closest living relatives. Hosts Lindsay Stern and Viveka Morris of the Yale University podcast explore the implications of bonobo cognition for understanding humanity. The conversation centers on the famous bonobo Kanzi, who lives in a facility in Des Moines, Iowa. Savage-Rumbaugh developed a pictogram system, a lexigram board, through which bonobos like Kanzi communicate complex thoughts. These apes understand thousands of spoken English words and use the board to express wishes, plans, and opinions. The research challenges traditional boundaries by demonstrating bonobos' capacity for language comprehension, not just production. Savage-Rumbaugh authored the seminal study "Language Comprehension in Ape and Child," comparing linguistic development. Her work with Kanzi is detailed in books like "Kanzi: The Ape at the Brink of the Human Mind." A key insight is that bonobos learned language not through formal training but through cultural immersion, observing humans. Savage-Rumbaugh argues this shows language acquisition is a shared biological capacity across species, not uniquely human. The bonobos' social structure, described as egalitarian and matriarchal, is presented as integral to their cognitive and communicative development. The episode highlights a moment where Kanzi spontaneously used a lexigram to request a specific type of treat, demonstrating intentionality. Savage-Rumbaugh suggests that recognizing this capacity forces a redefinition of concepts like culture, mind, and language. The tone is educational and conversational, blending interview segments with host narration to unpack complex ideas. The style is narrative, guiding listeners through the story of the research and the apes' lives. Listeners interested in animal cognition, linguistics, or the philosophy of mind will find this episode deeply engaging. Those seeking a highly critical or debate-focused examination of primate language research might find its perspective singular.

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