Population information

Order name Pelicaniformes
Family name Phalacrocoracidae
Scientific name Phalacrocorax neglectus Common name Bank Cormorant
Population name Coastal South-west Africa
Breeding range Coastal SW Africa Non-breeding range
Red List Category Endangered
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 3 0 0 9,700 9,700 [R196]
WPE 4 0 0 11,100 11,100 [S3319] [R196]
WPE 1 0 0 9,000 9,000 [R700]
WPE 2 0 0 18,000 18,000 [R143]
WPE 5 1990 2000 11,100 11,100 Expert opinion [R196]
CSR 4 1990 2000 11,100 11,100 Expert opinion [R196]
CSR 5 1990 2000 11,100 11,100 Expert opinion [R196]
CSR 6 2013 2013 12,900 12,900 Expert opinion [S8645] [R1391]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 1990 2000 DEC [R196]
WPE 4 1994 2004 DEC [R317]
WPE 1 0 0 Unknown
WPE 2 0 0 Unknown
WPE 5 1994 2004 DEC Poor [R317]
CSR 4 1994 2004 DEC Poor [R317]
CSR 5 1994 2004 DEC Poor [R317]
CSR 6 1993 2006 DEC Good [R1490]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 2002 100
WPE 4 2006 110
WPE 1 1994 90
WPE 2 1997 180
WPE 5 2012 110
CSR 4 0 -1
CSR 5 0 -1

References

  • R196 - du Toit, M., Boere, G.C., Cooper, J., Kemper, J., Lenten, B., Simmons, R.S., Whittington, P.A. and Byers, O. (eds). 2002. Conservation assessment and management plan for southern African coastal seabirds. Workshop Report, Cape Town, South Africa, 4-8 Feb
  • 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.
  • R700 - Williams, A.J. and Crawford, R.J.M. 1993.Distribution, Status and Conservation of Pelecaniform birds in Sub-Saharan Africa and the Red Sea (Abstracts). In: Wilson, R.T. (ed.) Birds and the African Environment: Proceedings of the eigth Pan-African Ornithological Congress. Annales Musee Royale de l'Afrique Centrale (Zoologie) Vol 268.
  • R143 - Cooper J. 1981. Biology of the Bank Cormorant, Part 1: distribution, population size, movements and conservation. Ostrich 52:208-215.
  • R1391 - Wanless, R. et al. (in prep.) Action Plan for the Benguela Current seabirds. AEWA Secretariat, Bonn.
  • R1490 - Angel, A., Wanless, R. & Hagen, C. 2014. Fact sheets for AEWA-listed seabird species in the Benguela region. Prepared for the African-Eurasian Waterbird Agreement by BirdLife South Africa. Manuscript.

Notes

  • S3319 - 198 gives 3,241 breeding pairs, including 1,172 at Mercury Island, where nos. have recently increased due 198 removal of Cape Fur seals. No. breeding at Mercury in 2004 was 1580-1690 pairs, av. 1635. Pop therefore = 3,241-1,172+1,635 = 3,704 x 3 = 11,112, rounded 198 11,100.
  • S8645 - 4,300 pairs



Copyright Wetlands International 2012

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