[va-richmond-general] Bird-related tidbits

  Just in - ducks have very special voices!

  http://www.acoustics.salford.ac.uk/acoustics_world/duck/duck.htm


  The crows have it:  why Family Corvidae is at the top of the class:

  http://www.npr.org/rundowns/segment.php?wfId=4211409



  Happy Friday to All!

  Irene in Southside

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