Brown-headed cowbird
Chapter 5: More about Song Learning
Subchapter: Song (and call) dialects
From page 71 in the book.
Photo by Marie Read
♫330. Flight whistles of two males, three from the first, two from the second (with song of white-breasted nuthatch, drum of yellow-bellied sapsucker). April 10, 2017. Cricket Hill, Conway, Massachusetts. (0:25)
♫331. The context for the flight whistle, often given after a string of songs and just before flying, as here at 2:05. May 31, 2009. Grand Teton National Park, Jackson, Wyoming. (2:10)
♫332. Eight examples of dialects in flight whistles from throughout the geographic range of the cowbird. (1:07):
Cricket Hill, Conway, Massaschusetts (two selections). April 10, 2017.
Lake Anna State Park, Spotsylvania, Virginia. May 20, 2010.
Redbird Wildlife Management Area, Kentucky (two selections). May 29, 2010.
Lewiston, Michigan. April 22, 2012.
Grand Teton National Park, Jackson, Wyoming. May 31, 2009.
Big Hole National Battlefield, Wisdom, Montana. June 6, 2009.