Population information

Order name Charadriiformes
Family name Laridae
Scientific name Sterna hirundo Common name Common Tern
Population name hirundo, North America: Great Lakes (bre)
Breeding range Great Lakes of USA & Canada Non-breeding range
Red List Category Least Concern
Ramsar regions Neotropics North America
Notes In WPE2 this population belonged to one single population (S.h. hirundo, North America (breeding)).

Conservation Framework

Conservation framework Notes
No conservation frameworks
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 4 0 0 27,000 30,000 [R489]
WPE 3 0 0 27,000 30,000 [R489]
WPE 5 1976 2000 27,100 33,600 Expert opinion [S7367] [R1289]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 4 1970 2000 DEC/STA [T1649] [R489]
WPE 3 0 0 Unknown
WPE 5 1976 2000 DEC Good [T5512] [R1289]

Population 1% level

Publication Yearset 1 percent Note
WPE 4 2006 300
WPE 3 2002 300
WPE 5 2012 300

References

  • R489 - Nisbet, I.C.T. 2002.? Common Tern Sterna hirundo.? No. 618 in The Birds of North America.? Philadelphia, PA: The Birds of North America, Inc
  • R1289 - Ralph D. Morris, D. Vaughn Weseloh, Francesca J. Cuthbert, Cynthia Pekarik, Linda R. Wires, L. Harper. Distribution and abundance of nesting common and Caspian terns on the North American Great Lakes, 1976 to 1999

Notes

  • T1649 - 495: Long-term (30 year) trend decreasing; stable over last 10 years.
  • S7367 - 9,049-11,189 nests during 3 surveys between 1976-2000 (Morris et al.2010)
  • T5512 - Numbers declined with substantial losses in nests (-19.1%) and colony sites (-23.2%) between the first and third censuses.



Copyright Wetlands International 2012

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