Sage thrasher
Chapter 3: Why and How Birds Sing
Subchapter: Singing in the brain
From page 37 in the book.
♫114. First a normal song sparrow song, and then two snippets of thrasher song rearranged to reveal the thrasher's hurried mimicry. June 15, 2001. Marble Hot Springs, Sierra Valley, California. (0:09)
♫115. The normal, full-length sage thrasher song from which I extracted the two song sparrow imitations. Can you find both of them? June 15, 2001. Marble Hot Springs, Sierra Valley, California. (0:24)