Watercolor portrait of Common Loon (Gavia immer)

What does the Common Loon call sound like?

Gavia immer
Call Common

Play the real Common Loon call, the "oo-AH-oh", and learn what to listen for.

oo-AH-oh

What the Common Loon call sounds like

A long, haunting note that rises, hangs in the air, and falls again. Loons trade wails across a lake to keep track of one another, especially when distance or darkness hides them from view.

oo-AH-oh

Birders often file this one under Mournful wail.

Call vs. song: telling the two apart

The same bird makes both. They sound nothing alike.

The call (this page)

A long, haunting note that rises, hangs in the air, and falls again. Loons trade wails across a lake to keep track of one another, especially when distance or darkness hides them from view.

oo-AH-oh

The song

A wavering, laugh-like tremolo given when a loon is alarmed or excited, and sometimes in flight. It is different from the species’ long, mournful wail.

ha-ha-ha-ha-ha

Where you'll hear it

Clear, freshwater lakes with rocky shorelines in northern forests for breeding; coastal ocean waters, large lakes, and reservoirs during winter.

Common Loon call FAQ

What does a Common Loon call sound like?
A long, haunting note that rises, hangs in the air, and falls again. Loons trade wails across a lake to keep track of one another, especially when distance or darkness hides them from view. Birders write it as "oo-AH-oh".
How do I tell a Common Loon from a Pacific Loon by ear?
Pacific Loon: Smaller size with slimmer bill; Breeding adults have gray head and hindneck rather than greenish-black.
When is the best time to hear the Common Loon call?
Most active during daylight hours, with distinctive calling often heard at night during breeding season.

More Common Loon sounds