Hmm. I am interested in this. Perhaps the modern forms have experienced enough predation that makes it difficult to follow this up. But we do such analysis often. Basically I would like to see if local ape populations continue to use our terms after a few isolated years.

So how is trusting authority working out for you so far? It's a piece of the puzzle, these stories come from somewhere. The general idea is to use your brain to put the pieces together.