Audre Myers has done real yeowoman’s work in the realm of “sane, evidence-based Bigfoot belief.” There are a lot of cranks out there, as Audre would be the first to admit, but she brings much-needed rationality to the study of Bigfoot, all while retaining her childlike sense of wonder.
Recordings of Bigfoot abound, but beyond mere yelps and screeches, the creatures apparently possess language. This ability makes sense, as I intuit at some gut level that, if Bigfoot does exist, he is not merely a woodland ape, but something containing intelligence. It might not be human intelligence, but it is intelligence nonetheless.
Audre breaks down their language—called “Samari”—in this cogent post. Perhaps in addition to finding the Bigfoot, we might also find his Rosetta Stone, unlocking the language of another intelligent species.
With that, here is Audre on the language of the Bigfoot:
The Portly Politico 