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Merlin Bird ID

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    Glaucous Gull Life History

    Habitat

    Habitat ShorelinesBreeds along marine and freshwater coasts, tundra, offshore islands, cliffs, shorelines, ice edges. Rarely far inland. Winters along maritime coasts, freshwater lakes, agricultural fields, urban areas, and garbage dumps.Back to top

    Food

    Food OmnivoreMarine invertebrates, fish, eggs and chicks of waterfowl and seabird species, small birds, small mammals, and vegetation. Scavenges fish, carrion, and human refuse.Back to top

    Nesting

    Nest Placement

    Nest Cliff

    Nest Description

    Shallow depression in mound of grass, sedges, moss, twigs, and occasionally feathers. Little or no lining. Placed on islands, edges of ponds on open tundra, cliff ledges, grassy slopes above cliffs, rock scree at foot of cliffs.

    Nesting Facts
    Clutch Size:1-3 eggs
    Egg Description:Light gray-brown or olive with gray and dark brown spots.
    Condition at Hatching:Alert and mobile, covered with dense, hairlike, gray-brown down.
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    Behavior

    Behavior Ground ForagerCaptures food near surface of water or on shore. Steals food from other gulls. Swallows large prey whole.Back to top

    Conservation

    Conservation Low ConcernGlaucous Gull populations appear stable. The North American Waterbird Conservation Plan estimates 169,200 breeding birds on the continent, and rates the species a 7 out of 20 on the Continental Concern Score. Glaucous Gull is not listed on the 2014 State of the Birds Report. Back to top

    Credits

    Kushlan, J. A., M. J. Steinkamp, K. C. Parsons, J. Capp, M. A. Cruz, M. Coulter, I. Davidson, L. Dickson, N. Edelson, R. Elliott, R. M. Erwin, S. Hatch, S. Kress, R. Milko, S. Miller, K. Mills, R. Paul, R. Phillips, J. E. Saliva, W. Sydeman, J. Trapp, J. Wheeler and K. Wohl. 2002. Waterbird conservation for the Americas: The North American waterbird conservation plan, version 1. Washington, D.C.: Waterbird Conservation for the Americas.

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

    North American Bird Conservation Initiative. 2014. The State of the Birds 2014 Report. US Department of Interior, Washington, DC, USA.

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

    Weiser, Emily and H. Grant Gilchrist. 2012. Glaucous Gull (Larus hyperboreus), version 2.0. In The Birds of North America (P. G. Rodewald, editor). Cornell Lab of Ornithology, Ithaca, New York, USA.

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