Hi All
You might be interested to follow this link to see what scientists have
found regarding the effects of heavy metal pollution on songbirds. The
quality of song is deminished in those birds that learn their song due
to brain damage.
http://www.environmentalhealthnews.org/ehs/news/2014/aug/wingedwarnings4heavy-metal-songs?mkt_tok=3RkMMJWWfF9wsRolvqzBZKXonjHpfsX87e4rUKawlMI%2F0ER3fOvrPUfGjI4FSMZjI%2BSLDwEYGJlv6SgFS7jNMbZkz7gOXRE%3D
John Neville
Salt Spring Island BC Canada
"While a picture is worth a thousand words, a
sound is worth a thousand pictures." R. Murray Schafer via Bernie Krause.
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