This haunts me. Gorillas and chimps are crazy smart and can be taught sign language, so why can’t they speak? They have human-like mouths and they’re obviously vocal, so why don’t they at least have the vocabulary of a toddler?
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Humans have genetic differences that essentially allow us to vocalise and breathe at the same time. I think there was a chimp who managed a few words at a time but its not usual, they don’t have the correct structures. Puts us at the top of the list of animals most likely to choke but being able to communicate complicated ideas vocally is a huge competitive advantage
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