Population information

Order name Anseriformes
Family name Anatidae
Scientific name Merganetta armata Common name Torrent Duck
Population name columbiana
Breeding range Andes from Venezuela to N Ecuador 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 2,500 10,000 [R115]
WPE 2 0 0 7,000 12,000 [R117]
WPE 3 0 0 7,000 12,000 [R117]
WPE 4 0 0 7,000 12,000 [R117]
WPE 5 0 0 7,000 12,000 [R117]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1980 1990 DEC [R115]
WPE 2 1980 1990 DEC [R115]
WPE 3 1980 1990 DEC [R115]
WPE 4 1980 1990 DEC [R115]
WPE 5 1980 1990 DEC [R115]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 60
WPE 2 1997 95
WPE 3 2002 95
WPE 4 2006 95
WPE 5 2012 90

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.

Notes




Copyright Wetlands International 2012

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