Chris Merkord Posted September 18, 2013 Share Posted September 18, 2013 For her doctoral thesis, Sara DeLeon conducted a study that found that even low levels of PCBs change bird songs. It may not kill them outright, but low-level PCB (polychlorinated biphenyls) contamination disrupts how some birds sing their songs, report Cornell researchers. Their seven-year study is published in the September issue of the science journal PLOS ONE. “PCBs are changing behavior in subtle but important ways that we’re only beginning to recognize,” says lead author Sara DeLeon, Ph.D. ’12, who did the research for her doctorate and is now a postdoctoral researcher at Drexel University. Read more: http://www.news.cornell.edu/stories/2013/09/even-low-level-pcbs-change-bird-songs Link to comment Share on other sites More sharing options...
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