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Merlin Bird ID

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    Bicknell's Thrush Life History


    Habitat Forests

    • Breeds in montane fir and spruce forests, usually associated with recently disturbed areas.
    • Winters in broadleaf montane forests.
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    Food InsectsInsects and other arthropods, fruit.Back to top


    Nest Placement

    Nest Shrub

    Nest Description

    Open cup of twigs and moss in small tree.

    Nesting Facts
    Clutch Size:3-4 eggs
    Egg Description:Bluish green with light brown speckling.
    Condition at Hatching:Naked and helpless.
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    Behavior Ground ForagerBack to top


    Conservation Red Watch ListPopulation data are difficult to gather for Bicknell's Thrush, but because of the small range and restricted habitat, this species is considered a high conservation priority. Partners in Flight estimates a global breeding population of 110,500, with 50% spending some part of the year in the U.S., and 50% breeding in Canada. The species rates a 17 out of 20 on the Continental Concern Score. Bicknell's Thrush is a Tri-National Concern species, a U.S.-Canada Stewardship species, and is on the 2014 State of the Birds Watch List, which lists bird species that are at risk of becoming threatened or endangered without conservation action. 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.

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

    Partners in Flight. 2017. Avian Conservation Assessment Database. 2017.

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

    Townsend, Jason M., Kent P. McFarland, Christopher C. Rimmer, Walter G. Ellison and James E. Goetz. 2015. Bicknell's Thrush (Catharus bicknelli), 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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