Population information

Order name Anseriformes
Family name Anatidae
Scientific name Plectropterus gambensis Common name Spur-winged Goose
Population name niger, Southern Africa
Breeding range Southern Africa 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 50,000 100,000 [R578]
WPE 3 1990 1995 50,000 100,000 [R578]
WPE 4 1990 1995 50,000 100,000 [R578]
WPE 1 0 0 25,000 100,000 [R517]
WPE 5 1990 1995 50,000 100,000 Expert opinion [R578]
CSR 4 1990 1995 50,000 100,000 Expert opinion [R578]
CSR 5 1990 1995 50,000 100,000 Expert opinion [R578]
CSR 6 1990 1995 50,000 100,000 Expert opinion [R1523]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 2 1976 1996 STA [R578]
WPE 3 1984 1999 INC [R664]
WPE 4 1984 1999 INC [R664]
WPE 1 0 0 Unknown
WPE 5 1989 1999 INC Poor [R664]
CSR 4 1989 1999 INC Poor [R664]
CSR 5 1989 1999 INC Poor [R664]
CSR 6 2003 2012 DEC Poor [T6665] [R317] [R1381]

Population 1% level

Publication Yearset 1 percent Note
WPE 2 1997 750
WPE 3 2002 750
WPE 4 2006 750
WPE 1 0 -1
WPE 5 2012 710
CSR 4 0 -1
CSR 5 0 -1

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.
  • R664 - Underhill, L.G. Tree, A.J., Oschadleus, H.D. and Parker, V. 1999. Review of Ring Recoveries of Waterbirds in Southern Africa. Cape Town: Avian Demography Unit, University of Cape Town, South Africa. 119 pp..
  • R517 - Perennou, C. 1991. Les recensements internationaux d'oiseaux d'eau en Afrique Tropicale. IWRB Spec. Publ. No. 15. Slimbridge, UK. 140 pp.
  • R1523 - 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.
  • R317 - Hockey P.A.R., Dean, W.R.J. and Ryan, P.G. (eds). 2005. Roberts - Birds of Southern Africa, 7th ed. The Trustees of the John Voelcker Bird Book Fund, Cape Town.
  • R1381 - Nagy, S., Flink, S., Langendoen, T. (2014) Waterbird trends 1988-2012: Results of trend analyses of data from the International Waterbird Census in the African-Eurasian Flyway. Wetlands International, Ede.
  • R1548 - Wetlands International (2017) Flyway trend analyses based on data from the African-Eurasian Waterbird Census from the period of 1967-2015. Ede, The Netherlands: Wetlands International. Temporary URL: https://www.dropbox.com/sh/r76f4eyuhzu65co/AADzzQkhySsUDsmwFJUcHs91a?dl=0

Notes

  • T6665 - Hockey et al. (2005) consider not threatened and suggest stable. However, trend analysis based on IWC data shows decrease from 2002 (Nagy et al., 2014).



Copyright Wetlands International 2012

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