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    Eurasian Tree Sparrow Life History

    Habitat

    Habitat TownsWooded urban parkland, farms, and rural wood lots.Back to top

    Food

    Food SeedsGrain and seeds.Back to top

    Nesting

    Nest Placement

    Nest Cavity

    Nest Description

    Domed structure of loosely intertwined (not woven) stems of dried grass, straw, and rootlets surrounding a cup lined with softer materials such as feathers, fur, flower parts, waste paper, bits of cloth, string, and green leaves. Entrance is on side. Placed in naturally occurring hole in tree.

    Nesting Facts
    Clutch Size:4-7 eggs
    Egg Description:White to pale gray, heavily marked with spots, small blotches, or speckling.
    Condition at Hatching:Naked and helpless.
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    Behavior

    Behavior Ground ForagerForages on ground and in trees.Back to top

    Conservation

    Conservation Low ConcernEurasian Tree Sparrow is an introduced species to North American, and though its population is not large, it range is expanding. The North American Breeding Bird Survey estimated that numbers increased over 5% per year between 1966 and 2015. Partners in Flight estimates a global breeding population of 20 million, and it is unclear what percentage occurs in the U.S., but it is probably very small. The species rate a 5 out of 20 on the Continental Concern Score. Eurasian Tree Sparrow is not on the 2016 State of North America's Birds' Watch List.Back to top

    Credits

    Barlow, Jon C., Sheridan N. Leckie, Peter Pyle and Michael A. Patten. 2017. Eurasian Tree Sparrow (Passer montanus), version 2.1. In The Birds of North America (P. G. Rodewald, editor). Cornell Lab of Ornithology, Ithaca, New York, USA.

    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.

    Sauer, J. R., J. E. Hines, J. E. Fallon, K. L. Pardieck, Jr. Ziolkowski, D. J. and W. A. Link. The North American Breeding Bird Survey, results and analysis 1966-2013 (Version 1.30.15). USGS Patuxtent Wildlife Research Center 2014b. Available from http://www.mbr-pwrc.usgs.gov/bbs/.

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

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