Cara J Posted April 14, 2016 Posted April 14, 2016 Johns Hopkins News-Letter City-dwelling birds are smarter than rural birds, study finds Johns Hopkins News-Letter Scientists from the Max Planck Institute for Ornithology have found that the higher pitch that urban birds employ also comes with an increase in volume which further helps them to be heard by other birds. Their results were published in the ... “This ... Read more: http://news.google.com/news/url?sa=t&fd=R&ct2=us&usg=AFQjCNF6ZXNW5MO7Xz4TY6xBixhBcthhXA&clid=c3a7d30bb8a4878e06b80cf16b898331&ei=vAYQV-ibI-KI8QG8u7O4DQ&url=http://www.jhunewsletter.com/2016/04/14/city-dwelling-birds-are-smarter-than-rural-birds-study-finds/
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