American Bird Conservancy Posted February 25, 2013 Share Posted February 25, 2013 A new study led by a preeminent Canadian toxicologist identifies acutely toxic pesticides as the most likely leading cause of the widespread decline in grassland bird numbers in the United States, a finding that challenges the widely-held assumption that loss of habitat is the primary cause of those population declines. View the full article Link to comment Share on other sites More sharing options...
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