Songs

• Male advertising song
  
  Recorded by Keller, Geoffrey A
  Oregon May 1988
• Advertising song
  
  Recorded by Keller, Geoffrey A
  New York June 1998
Courtesy of Macaulay Library
© Cornell Lab of Ornithology.

Song a series of whistled toots.

Calls

• Whine-like call
  
  Recorded by Kevin J. Colver
  Utah
• Fall vocalizations
  
  Recorded by Scott Weidensaul
  Pennsylvania October 2004
• Winter vocalizations
  
  Recorded by Steve Farbotnik
  Pennsylvania January 1979
• Male alarm call
  
  Recorded by Steve Farbotnik
  Pennsylvania May 1978
• Unknown call
  
  Recorded by Robert W. Dickerman
  New York April 1951
• Bill snap and twittering
  
  Recorded by William W. H. Gunn
  Ontario, Canada October 1958
• Food deliveries at a nest
  
  Recorded by Steve Farbotnik
  Pennsylvania June 1978
Courtesy of Macaulay Library
© Cornell Lab of Ornithology.