Black Tern Life History

Behavior

Behavior Aerial ForagerBack to top

Conservation

Conservation Common Bird in Steep DeclineBlack Tern populations declined by almost 2% per year between 1966 and 2014, resulting in a cumulative decline of 57%, according to the North American Breeding Bird Survey. The North American Waterbird Conservation Plan estimates a population of 100,000-500,000 breeding birds in North America, rates them an 11 out of 20 on the Continental Concern Score, and lists them as a Species of Moderate Concern. The 2014 State of the Birds Report lists them as a Common Bird in Steep Decline.Back to top

Credits

Heath, Shane R., Erica H. Dunn and David J. Agro. 2009. Black Tern (Chlidonias niger), version 2.0. In The Birds of North America (P. G. Rodewald, editor). Cornell Lab of Ornithology, Ithaca, New York, USA.

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, DC, 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.

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, D. A. (2014). The Sibley guide to birds, second edition. Alfred A. Knopf, New York, USA.

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