Calls

• Alarm call ("skow") - Flight
  
  Recorded by Wilbur L. Hershberger
  West Virginia July 2000
• Alarm call ("skow") - Perched
  
  Recorded by Oliver H. Hewitt
  Florida May 1990
• "Kuk, kuk, kuk" call
  
  Recorded by Gregory F. Budney
  Florida February 1985
• "Kuk, kuk, kuk" call
  
  Recorded by Gregory F. Budney
  Florida February 1985
• Advertising call
  
  Recorded by Geoffrey A. Keller
  Florida May 1996
• Attack Call
  
  Recorded by Randolph S. Little, James W. Kimball
  Florida March 1962
• Call and screams at nest
  
  Recorded by Peter Paul Kellogg, P. Dean
  June 1971
Courtesy of Macaulay Library
© Cornell Lab of Ornithology.

Flight or alarm call an explosive "skeow." Also make series of "kuk-kuk-kuk-kuk" notes.