Is Whistle Speech Declining?

One last common feature of these whistled languages is that, in basically all cases, with maybe a couple of exceptions, ther use is declining. Most of them are disappearing. And so we might wonder why. Well, several causes are cited. One is strangely, rods. You tend to find whistle speech only in places that are very remote. But then we never atly forget, we never completely abandon these other modes off auditory communication. The palate remains there for u to dip back into.