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    Harlequin Duck Life History


    Habitat Rivers and StreamsMountain streams and rivers, usually in forested regions; in winter, primarily turbulent coastal waters, especially in rocky regions.Back to top


    Food Aquatic invertebratesInsects, fish, and marine invertebrates.Back to top


    Nest Placement

    Nest Ground

    Nesting Facts
    Clutch Size:3-9 eggs
    Egg Description:Pale creamy to pale buff.
    Condition at Hatching:Covered in down and able to leave the nest soon after hatching.
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    Behavior Surface DiveDives for prey on or near bottom.Back to top


    Conservation Low ConcernThere is little information on Harlequin Duck population numbers and trends, but wintering populations in eastern North America are currently much smaller than historical (late 1800s) numbers. However, populations grew in the last part of 20th century. The species rates an 11 out of 20 on the Continental Concern Score. Harlequin Duck is not on the 2016 State of North America's Birds Watch List. The species is listed as endangered in Canada, threatened in Maine, and a species of special concern in western states.Back to top


    Lutmerding, J. A. and A. S. Love. Longevity records of North American birds. Version 2015.2. Patuxent Wildlife Research Center, Bird Banding Laboratory 2015.

    Robertson, Gregory J. and R. Ian Goudie. 1999. Harlequin Duck (Histrionicus histrionicus), version 2.0. In The Birds of North America (P. G. Rodewald, editor). Cornell Lab of Ornithology, Ithaca, New York, USA.

    Sibley, David Allen. 2014. The Sibley guide to birds, second edition. Alfred A Knopf, New York.

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