Birders recently got a huge assist from the Macaulay Library at Cornell University when its entire collection of over 7,500 hours of animal sounds were made available online. Director Mike Webster ... more 
Birders recently got a huge assist from the Macaulay Library at Cornell University when its entire collection of over 7,500 hours of animal sounds were made available online. Director Mike Webster explains how the recordings will guide people to better enjoy nature. less 
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Tue, May 14, 2013 8:10 PM EDT