Population information

Order name Anseriformes
Family name Anatidae
Scientific name Cygnus melancoryphus Common name Black-necked Swan
Population name South America
Breeding range S & Central Chile, Argentina, Uruguay Non-breeding range Some northward movement to Paraguay, SE Brazil
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 25,000 100,000 [R15]
WPE 3 0 0 25,000 100,000 [R15]
WPE 4 0 0 25,000 100,000 [R15]
WPE 5 0 0 25,000 100,000 Best guess [R15]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1982 1992 STA [R119]
WPE 2 1985 1995 DEC [R571]
WPE 3 1990 2000 STA [R570]
WPE 4 1990 2000 STA [R570]
WPE 5 1990 2000 STA [R570]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 0 -1
WPE 2 0 -1
WPE 3 2002 1000
WPE 4 2006 1000
WPE 5 2012 1000

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 Unpublished data concerning South American waterbirds.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 Unpublished information from Neotropical Wetlands Program.
  • R571 - Schlatter, R. (pers. comm.). 1996. Unpublished information on Southern South American waterbirds.
  • R570 - Schlatter, R. (In litt.). 2002. Unpublished information on Southern South American waterbirds.

Notes




Copyright Wetlands International 2012

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