Population information

Order name Anseriformes
Family name Anatidae
Scientific name Cygnus columbianus Common name Tundra Swan
Population name columbianus, E North America
Breeding range E Arctic North America Non-breeding range Coastal E USA
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 1 0 0 109,800 109,800 [R671]
WPE 2 0 0 86,300 86,300 [R657]
WPE 3 0 0 98,000 98,000 [R651]
WPE 4 0 0 100,000 100,000 [R581]
WPE 5 2011 2011 97,700 97,700 Expert opinion [S6452] [R1180]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1982 1992 INC [R671]
WPE 2 1986 1996 STA [R657]
WPE 3 1992 2001 STA [R651]
WPE 4 1992 2001 STA [R651]
WPE 5 2002 2011 DEC [R1180]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 1100
WPE 2 1997 860
WPE 3 2002 980
WPE 4 2006 1000
WPE 5 2012 980

References

  • R671 - USFWS and CWS. 1992. 1992 status of waterfowl and fall flight forecast. Usfws Migratory Bird Management Office.
  • R657 - U.S. Fish and Wildlife Service and Canadian Wildlife Service. 1996. Waterfowl Population Status 1996. USFWS, Washington DC.
  • R651 - U.S. Fish and Wildlife Service. 2001. Waterfowl Population Status, 2001. US Department of the Interior,Washington, D.C. 50pp.
  • R581 - Serie, J.R., Luszcz, D. and Raftovich, R.V. 2002. Population trends, productivity and harvest of eastern population Tundra Swans. In Proceedings of the Fourth International Swan Symposium, 2001 (ed. E.C. Rees, S.L. Earnst and J. Coulson).
  • R1180 - U.S. Fish and Wildlife Service. 2011d. Waterfowl population status, 2011. U.S. Department of the Interior, Washington, D.C. USA.
  • R1534 - U.S. Fish and Wildlife Service. 2014. Waterfowl population status, 2014. U.S. Department of the Interior, Washington, D.C. USA.

Notes

  • S6452 - 2011 fall estimate.
  • S8818 - 2013 Midwinter Survey



Copyright Wetlands International 2012

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