Song: Typical advertising call uttered by both sexes a two-syllabled "kee-eeeee" with the first syllable short and higher pitched and the second drawn out. Male's call higher pitched than females.
Sound: Robert C. Stein / Randolph S. Little (
Macaulay Library, Cornell # 4308); 1954 Jun 28; Canada, Manitoba; 4.8 km E from Fort Churchill; Adult; Primary Sound;