Population information

Order name Anseriformes
Family name Anhimidae
Scientific name Anhima cornuta Common name Horned Screamer
Population name N South America
Breeding range Colombia through Brazil to N 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 25,000 100,000 [R214]
WPE 2 0 0 25,000 100,000 [R214]
WPE 3 0 0 25,000 100,000 [R214]
WPE 4 0 0 25,000 100,000 [R214]
WPE 5 2005 2011 25,000 100,000 Best guess [R1092] [R1141] [R1191]

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 STA Poor [R1092] [R1141] [R1191]

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

  • 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.
  • R1092 - Huanca Llanos, N.E. 2006. Reporte final, Aves Acu?ticas en Bolivia. Asociaci?n Armonia, Santa Cruz de la Sierra (unpublished report to BirdLife International).
  • R1141 - Ottema, O. 2006. Waterbirds in Suriname: Final report. STINASU Foundation for Nature Conservation Suriname, Paramaribo (unpublished report).
  • R1191 - Wetlands International Argentina (compiler). 2012. Unpublished information from the Neotropical Waterbird Census, 1990-2011, including contributions from Colombia (Asociaci?n Calidris in litt.), Paraguay (Guyra Paraguay in litt.), Uruguay (Averaves in litt.) and Venezuela (Uni?n Venezolana de Ornit?logos in litt.).

Notes




Copyright Wetlands International 2012

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