Chris Merkord Posted October 12, 2013 Share Posted October 12, 2013 Birds a little off key: PCB contamination altering bird songs Great Falls Tribune She collected and tested blood samples from males of the two species, recorded their songs over several field seasons and analyzed those songs using the RavenPro sound analysis software developed at the Cornell Lab of Ornithology. ... Study co-author ... View the full article Link to comment Share on other sites More sharing options...
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