Great-tailed grackle
Chapter 9: Music to Our Ears
Subchapter: Music to my ears—author's choice
From page 166 in the book.
Photo by Robert Royse
♫680. A series of calls/songs extracted from an hour-long listen. April 21, 2013. Bandera, Texas. (5:44)
♫681. The effects at half speed are even more stunning. April 21, 2013. Bandera, Texas. (11:25)