Calls
- Calls
Recorded by Charles A. Sutherland
- Male whistles, call
Manitoba, Canada May 1959
- Flight calls of males and females
Manitoba, Canada May 1959
- Calls of male and female
Alberta, Canada May 1980
- Call of female assembling brood
Washington July 1961
- Decrescendo call
Manitoba, Canada May 1961
Courtesy of Macaulay Library
© Cornell Lab of Ornithology.
Male's call is a loud, high whistle or a nasal bleat. Female gives loud, evenly spaced quacks.