Population information

Order name Anseriformes
Family name Anatidae
Scientific name Anas erythrorhyncha Common name Red-billed Teal
Population name Madagascar
Breeding range Madagascar Non-breeding range
Red List Category Least Concern
Ramsar regions Africa
Notes

Conservation Framework

Conservation framework Notes
AEWA
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 2 1990 1995 15,000 25,000 [R578]
WPE 3 1990 1995 15,000 25,000 [R578]
WPE 4 1990 1995 15,000 25,000 [R578]
WPE 1 0 0 1 25,000 [R266]
WPE 5 1990 1995 15,000 25,000 Best guess [R578]
CSR 4 1990 1995 15,000 25,000 Best guess [R578]
CSR 5 1990 1995 15,000 25,000 Best guess [R578]
CSR 6 1990 1995 15,000 25,000 Best guess [R578]
CSR 7 1990 1995 15,000 25,000 Best guess [R578]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 2 1986 1996 DEC [R578]
WPE 3 1986 1996 DEC [R578]
WPE 4 1986 1996 DEC [R578]
WPE 1 0 0 Unknown
WPE 5 1986 1996 DEC Poor [R578]
CSR 4 1986 1996 DEC Poor [R578]
CSR 5 1986 1996 DEC Poor [R578]
CSR 6 2003 2012 Unknown No idea
CSR 7 2003 2012 Unknown No idea [T7172] [R578]

Population 1% level

Publication Yearset 1 percent Note
WPE 2 1997 200
WPE 3 2002 200
WPE 4 2006 200
WPE 1 0 -1
WPE 5 2012 190
CSR 4 0 -1
CSR 5 0 -1
CSR 7 2018 190

References

  • R578 - Scott, D.A. and Rose, P.M. 1996. Atlas of Anatidae populations in Africa and western Eurasia. Wetlands International Publication No. 41. Wetlands International, Wageningen, NL. 336 pp.
  • R266 - Green, A. (pers. comm.). 1992. Unpublished personal observations of Madagascar waterbirds.

Notes

  • T7172 - Significant long-term decline is assumed based Scott &┬áRose (1996). IWC count totals have decreased from c. 800 to c. 250 in 2004 and 2014, but the data is not sufficient for trend analysis.



Copyright Wetlands International 2012

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