Calls
- Calls by displaying males
Alberta, Canada April 1982
- "Gack" calls, apparently given by a female
Ontario, Canada April 1966
- "Peeping" calls by duckings
Manitoba, Canada June 1959
Courtesy of Macaulay Library
© Cornell Lab of Ornithology.
Silent except in courtship when male gives a faint "peent." Wings produce a loud whistling in flight.
Other
- Splashing and wing whistle
Alberta, Canada May 1982
Courtesy of Macaulay Library
© Cornell Lab of Ornithology.