Population information

Order name Anseriformes
Family name Anatidae
Scientific name Cygnus buccinator Common name Trumpeter Swan
Population name Interior
Breeding range Mid western USA Non-breeding range
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 1,700 1,700 [R114]
WPE 4 0 0 4,600 4,600 [S3532] [R477]
WPE 1 0 0 500 500 [R658]
WPE 2 0 0 900 900 [R115]
WPE 5 2010 2010 9,800 9,810 Expert opinion [S6414] [R1173]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 1968 2000 INC [R114]
WPE 4 1968 2000 INC [R114]
WPE 1 1976 1986 STA [R658]
WPE 2 1980 1990 INC [R115]
WPE 5 2005 2010 INC [R1173]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 2002 15
WPE 4 2006 45
WPE 1 1994 5
WPE 2 1997 9
WPE 5 2012 100

References

  • R114 - Caithamer, D.F. (Compiler). 2001. Trumpeter Swan population status, 2000. U.S. Fish Wildlife Service, Division of Migratory Bird Managment, Laurel, MD.
  • R477 - Moser, T.J. 2006. The 2005 North American Trumpeter Swan Survey. US Fish and Wildlife Service, Denver, Colorado
  • R658 - U.S. Fish and Wildlife Service and Canadian Wildlife Service. 1986. North American Waterfowl Management Plan: A strategy for cooperation. USFWS, Washington DC.
  • R115 - Callaghan, D.A. and Green, A.J. 1993. Wildfowl at risk, 1993. Wildfowl 44: 149-169.
  • R1173 - Trumpeter Swan Society, The: http://www.trumpeterswansociety.org. Accessed: April 2012.

Notes

  • S3532 - 483: 4,647 counted in February 2005.
  • S6414 - 7,154 adults and 2,655 cygnets.



Copyright Wetlands International 2012

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