Population information

Order name Anseriformes
Family name Anatidae
Scientific name Coscoroba coscoroba Common name Coscoroba Swan
Population name S South America
Breeding range S South America & Falkland Islands (Malvinas) Non-breeding range
Red List Category Least Concern
Ramsar regions Neotropics
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 25,000 100,000 [R15]
WPE 2 0 0 10,000 25,000 [R667]
WPE 3 2002 2002 10,000 25,000 [R604]
WPE 4 2006 2006 10,000 25,000 [S3687] [R668]
WPE 5 2006 2006 10,000 25,000 Best guess [S7619] [R668]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1982 1992 STA [R119]
WPE 2 1982 1992 STA [R119]
WPE 3 1982 1992 STA [R119]
WPE 4 1982 1992 STA [R119]
WPE 5 1982 1992 STA [R119]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 0 -1
WPE 2 0 -1
WPE 3 2002 250
WPE 4 2006 250
WPE 5 2012 250

References

  • R15 - Antas, P.T.Z. In litt. 1993. Unpublished data concerning South American waterbirds.
  • R119 - Canevari, P. (pers. comm.). 1993. Unpublished information from Neotropical Wetlands Program.
  • R667 - Unpublished information supplied by Wetlands International Specialist Groups, 1997.
  • R604 - Specialist]] Unpublished information supplied by Wetlands International Specialist Groups, 2002.
  • R668 - Unpublished information supplied by Wetlands International Specialist Groups, 2006.

Notes

  • S3687 - 704: In Falkland/Malvinas Is, a pair bred successfully in 2000/01on Pebble Island, the first breeding record in the islands since 1860. (Record from James McGhie) (719).
  • S7619 - 704: In Falkland/Malvinas Is, a pair bred successfully in 2000/01on Pebble Island, the first breeding record in the islands since 1860. (Record from James McGhie) (719).



Copyright Wetlands International 2012

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