Birdsong for the
Curious Naturalist

Dickcissel

Chapter 3: Why and How Birds Sing
Subchapter: Why sing?
From page 29 in the book.

♫87. Dickcissel males seem to sing all day long as they strive to attract additional mates. June 3, 2010. Shawnee National Forest, Eddyville, Illinois. (1:02)