Anant Deshwal and Pooja Panwar, graduate students at the University of Arkansas, are collaborating on testing ecoacoustic methods to assess bird diversity. In other words, they are recording bird calls. And a key test subject? Red Crossbills, plump reddish brown finches, with unusual beaks.
Capturing the Calls of Red Crossbills on the Ozarks
Courtesy: Deshwal/Panwar
