Painted bunting
Chapter 6: Song Learning Often Creates Complex Songs and Large Repertoires
Subchapter: Song complexity
From page 81 in the book.
♫371. Songs, accompanied by a loud Carolina wren, with terns and gulls calling off-shore. Contrast the simpler song construction of the wren with that of the bunting. May 12, 2014. McClellanville, South Carolina. (1:46)