Population information

Nom ordre Anseriformes
Nom famille Anatidae
Nom scientifique Cygnus columbianus Nom courant Tundra Swan
Nom population columbianus, E North America
Aire de reproduction E Arctic North America Aire de non-reproduction Coastal E USA
Catégorie de la Liste Rouge Least Concern
Regions Ramsar North America
Notes

Réseau de conservation

Réseau de conservation Notes
Pas des Réseaux de conservation
Note:

Taille de population

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 0 0 109,800 109,800 No quality assessment [R671]
WPE 2 0 0 86,300 86,300 No quality assessment [R657]
WPE 3 0 0 98,000 98,000 No quality assessment [R651]
WPE 4 0 0 100,000 100,000 No quality assessment [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 No quality assessment [R671]
WPE 2 1986 1996 STA No quality assessment [R657]
WPE 3 1992 2001 STA No quality assessment [R651]
WPE 4 1992 2001 STA No quality assessment [R651]
WPE 5 2002 2011 DEC No quality assessment [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