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    Black-throated Gray Warbler Life History

    Behavior

    Behavior Foliage GleanerBack to top

    Conservation

    Conservation Low ConcernBlack-throated Gray Warbler numbers declined by about 1.5% per year between 1966 and 2014, resulting in a cumulative decline of 52%, according to the North American Breeding Bird Survey. Partners in Flight estimates a global breeding population of 2.4 million, with 12% breeding in Canada, 87% spending some part of the year in the U.S., and 100% in Mexico. They are a U.S.-Canada Stewardship species, and rate an 11 out of 20 on the Continental Concern Score. They are not on the 2014 State of the Birds Watch List.Back to top

    Credits

    Guzy, Michael J. and Peter E. Lowther. 2012. Black-throated Gray Warbler (Setophaga nigrescens), version 2.0. In The Birds of North America (P. G. Rodewald, editor). Cornell Lab of Ornithology, Ithaca, New York, USA.

    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.

    Stephenson, Tom and Scott Whittle. 2013. The Warbler Guide: Princeton University Press.

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