Sage thrasher
Chapter 6: Song Learning Often Creates Complex Songs and Large Repertoires
Subchapter: Song complexity
From page 83 in the book.
Photo by Brian E. Small
♫377. Song, a torrent of half-second sound bites. June 9, 2008. Arapaho National Wildlife Refuge, Walden, Colorado. (7:15) Recorded by Janet Grenzke.
♫378 One song from above at half speed. (1:33)