Pitch-shifting, retaining melody—black-capped chickadee
Chapter 9: Music to Our Ears
Subchapter: The music in birdsong
From page 155 in the book.
Photo by Brian E. Small
♫644. Males can sing on one pitch for many songs in a row. May 7, 2017. Atlanta, Michigan. (1:54)
♫645. In these 20 minutes, how many times does the male shift to a new pitch? Don't miss the drumming ruffed grouse. May 7, 2017. Atlanta, Michigan. (20:34)
♫646. Answer: ten times, which means he sings on 11 pitches. Here are two renditions from each of the 11 pitches, for a total of 22 songs. May 7, 2017. Atlanta, Michigan. (0:40)