Population information

Order name Anseriformes
Family name Anatidae
Scientific name Merganetta armata Common name Torrent Duck
Population name leucogenis
Breeding range Andes from C Ecuador to N Chile, Argentina 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 5,000 10,000 [R115]
WPE 2 0 0 9,000 13,000 [R117]
WPE 3 0 0 9,000 13,000 [R117]
WPE 4 0 0 9,000 13,000 [R117]
WPE 5 0 0 9,000 13,000 [R117]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1980 1990 STA [R115]
WPE 2 1985 1995 DEC [R571]
WPE 3 1990 2000 DEC [R570]
WPE 4 1990 2000 DEC [R570]
WPE 5 1990 2000 DEC [R570]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 75
WPE 2 1997 110
WPE 3 2002 110
WPE 4 2006 110
WPE 5 2012 110

References

  • R115 - Callaghan, D.A. and Green, A.J. 1993. Wildfowl at risk, 1993. Wildfowl 44: 149-169.
  • R117 - Callaghan, D.A. 1998. Conservation status of the Torrent Ducks Merganetta. Wildfowl 48: 166-173.
  • 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 Unpublished information on Southern South American waterbirds.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 Unpublished information on Southern South American waterbirds.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