Population information

Order name Anseriformes
Family name Anhimidae
Scientific name Chauna chavaria Common name Northern Screamer
Population name N Colombia, NW Venezuela
Breeding range N Colombia, NW Venezuela Non-breeding range
Red List Category Near Threatened
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 10,000 25,000 [R214]
WPE 2 0 0 2,000 2,000 [R584]
WPE 3 0 0 2,000 2,000 [R584]
WPE 4 0 0 2,000 2,000 [R584]
WPE 5 2011 2011 2,500 10,000 Expert opinion [R1024]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1972 1992 DEC [R214]
WPE 2 1972 1992 DEC [R214]
WPE 3 1972 1992 DEC [R214]
WPE 4 1972 1992 DEC [R214]
WPE 5 2001 2010 DEC Poor [R214]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 0 -1
WPE 2 1997 20
WPE 3 2002 20
WPE 4 2006 20
WPE 5 2012 50

References

  • R214 - Ellis-Joseph, S., Hewston, N. and Green, A. (compilers). 1992. Global Waterfowl Conservation Assessment and Management Plan: First Review Draft. Report by the IUCN Captive Breeding Specialist Group and The Wildfowl and Wetlands Trust. 1992. 77 pp.
  • R584 - Sharpe, C. (pers. comm.). 1996. Information supplied to the Wildfowl and Wetlands Trust for the Anatidae Action Plan.
  • R1024 - BirdLife International. 2012j. IUCN Red List for birds (downloaded from http://www.birdlife.org)

Notes




Copyright Wetlands International 2012

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