Population information

Order name Pelicaniformes
Family name Phalacrocoracidae
Scientific name Phalacrocorax carbo Common name Great Cormorant
Population name carbo, North America
Breeding range NE North America south to Maine Non-breeding range Atlantic North America
Red List Category Least Concern
Ramsar regions North America
Notes

Conservation Framework

Conservation framework Notes
No conservation frameworks
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 3 0 0 17,400 17,400 [R387]
WPE 4 0 0 17,400 17,400 [R387]
WPE 1 0 0 10,000 15,000 [R414]
WPE 2 0 0 10,000 15,000 [R414]
WPE 5 2001 2011 17,400 37,500 Expert opinion [S6361] [R1274]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 1923 1999 STA [R297]
WPE 4 1923 1999 STA [R297]
WPE 1 0 0 Unknown
WPE 2 0 0 Unknown
WPE 5 1923 1999 STA [T5277] [R297]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 2002 170
WPE 4 2006 170
WPE 1 1994 130
WPE 2 1997 130
WPE 5 2012 260

References

  • R387 - Kushlan, James, A., Melanie J. Steinkamp, Katharine Parsons, Jack Capp, Martin Acosta Cruz, Malcolm Coulter, Ian Davidson, Loney Dickson, Naomi Edelson, Richard Elliot, R. Michael Erwin, Scott Hatch, Stephen Kress, Robert Milko, Steve Miller, Kyra Mills, Richard Paul, Roberto Phillips, Jorge E. Saliva, Bill Sydeman, John Trapp, Jennifer Wheeler, and Kent Wohl. 2002. North American Waterbird Conservation Plan, Version 1. Waterbird Conservation for the Americas, Washington, DC, USA.
  • R297 - Hatch, J.J., K.M. Brown, G.G. Hogan, and R.D. Morris. 2000. Great Cormorant (Phalacrocorax carbo). In The Birds of North America, No. 553 (A. Poole and F. Gill, eds.). The Birds of North America, Inc., Philadelphia, PA.
  • R414 - Lloyd, C., Tasker, M.L. and Partridge, K. 1991. The status of seabirds in Britain and Ireland. T. and A.D. Poyser, London, U.K. 355 pp.
  • R1274 - Environment Canada. 2012. Status of Birds in Canada 2011: http://www.ec.gc.ca/soc-sbc/index-eng.aspx?sY=2010andsL=e)

Notes

  • S6361 - Combination of new estimate of 15,000-37,500 for Canada (Environment Canada 2012), and the estimate in Wetlands International (2006);
  • T5277 - No new data



Copyright Wetlands International 2012

Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on