Black-throated sparrow
Chapter 6: Song Learning Often Creates Complex Songs and Large Repertoires
Subchapter: How a repertoire is delivered
From page 95 in the book.
Photo by Brian E. Small
♫425. Dawn singing: He warms up by repeating one song type over and over, then with seemingly more enthusiasm resumes at 5:47, after a longish pause, to alternate two different songs. Hear the common poorwill in the distance? March 27, 2017. Joshua Tree National Park, California. (22:35)