Kanzi was a male bonobo famous for lexigram and language-cognition research; he died in Des Moines, Iowa, on March 18, 2025.
Georgia and Des Moines, Iowa, United States

Story
Kanzi became famous for long-term lexigram and spoken-language comprehension research.
His story is recorded as both a research landmark and an individual life shaped by captivity, care and debate.
Kanzi is archived because animal cognition history should preserve the animal as more than experimental evidence.

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