In which I take seven minutes to say "we don't know squat."
I have yet to make that video about why animals can't talk. That or I did but forgot to update this bit in the description.
Nativlang's video on reconstructions of Proto-World: https://www.youtube.com/watch?v=YS-QNKYYSTw
Intro song: https://www.youtube.com/watch?v=AWXvSBHB210
Outro song: https://www.youtube.com/watch?v=GckzLCaPEzk