The problem was exacerbated by people listening to music through their earphones instead of tuning in to the birds and other sounds of nature that can easily be drowned out by traf c, music and other noises, he said.

The problem was made worse by people listening to music through their earphones instead of tuning in to the birds and other sounds of nature that can easily be drowned out by traf c, music and others noises, he said.
