Hoot

The Hoot is a short, single-note call. Click here to hear the Hoot.

Tremolo

The Tremolo occurs when the two parts of the Loon’s voice box make two sounds simultaneously. Click here to hear the Tremolo.

Wail

The Wail sounds like the howling of a wolf. It rises and falls in pitch and can be a one-note, two-note, or three-note call. Click here to hear the Wail.

Yodel

The Yodel varies from region to region, and the size of the bird determines the pitch. The larger the bird, the lower the voice and vice versa. Studies of recordings have shown that the Yodel can be used to identify individual birds. Click here to hear the Yodel.