Common Loon (Gavia immer)


Wail Call: 1-3 long, loud, even-pitched wails. The successive wails often rising step-like in pitch.



Common Loon, Wail Call, June 8, 2012. Crex Meadows Wildlife Area, Burnett County, Wisconsin.


Tremelo Call: Undulating, laugh-like hahahahaha.... Signals alarm or agitation.



Common Loon, Tremelo Call, June 8, 2012. Crex Meadows Wildlife Area, Burnett County, Wisconsin.