No child is born a delinquent. They only became that way if nobody loved them when they were kids. Unloved children grow up to be serial murderers or alcoholics.
The birds are already evolving, changing the way that they sing as a result of noise pollution. And we have yet to do that. We're still not communicating. We're not changing our words. We are not testing, not providing this new lexicon for noise-polluted areas.