This video from the Cornell Lab of Ornithology in the USA says about itself:
The Long-tailed Duck has one of the most distinctive vocalizations of any tundra nesting bird. The Lab’s Charles Eldermire describes the calls of this loud and garrulous species.
Learn more about Long-tailed Ducks on All About Birds: http://www.allaboutbirds.org/guide/long-tailed_duck/id.
Dear Kitty. Some blog 
Reblogged this on Ann Novek–With the Sky as the Ceiling and the Heart Outdoors.
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My mother is from Estonia. She said this deep sea bird was a common guset at their farm by the Finnish Gulf. It is called Aul in Estonian because they call out the voice aulii—auliii when we hear them!
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Hi, Ann, thanks for this valuable comment!
Unfortunately, this beautiful species is declining in numbers.
About birds in Estonia:
https://dearkitty1.wordpress.com/2008/12/15/estonian-sea-eagles-webcam/
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