Song sparrow
Chapter 4: How a Bird Gets Its Song
Subchapter: Learned songs of songbirds, and babbling
From page 51 in the book.
Photo by Wil Hershberger
♫169. Song and more song, probably his complete song repertoire! Recorded as fishermen come and go, by truck and by boat. May 12, 2004. Claytor Lake State Park, Dublin, Virginia. (32:44)
♫170. Plastic song from a four-month-old male. October 13, 2006. Quabbin Park, Ware, Massachusetts. (0:37)