Well he was a seventh day Adventist who though cumming made Jesus cry and shot yogurt up his ass and commented that “someday black people could learn from whites how to be close approximations of people”, I don’t think science was his strong suit
I mean, if you believe that Earth is 4000 years old, you can’t really appretiate the time scale required for evolution...
However, bat ears and more sophisticated speech organs would be a cool way to speed up interpersonal communication, which was still going strong back then.