Eastern bluebird
Chapter 7: When to Sing, and How
Subchapter: Energized dawn singing
From page 114 in the book.
Photo by John Van de Graaff
♫479. The gentle pace of daytime singing. April 16, 2001. Amherst, Massachusetts. (0:39)
♫480. How he transforms at dawn! Songs are now delivered far more rapidly, and accompanied by a belligerent-sounding chatter. A male northern cardinal sings loudly in the background. June 6, 2006. Amherst, Massachusetts. (2:17)