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Location South Africa, Western Cape
Central coordinates 19o 23.44' East  34o 22.58' South
IBA criteria A1, A4i
Area 27,000 ha
Year of IBA assessment 2008

BirdLife South Africa

Summary This IBA is key habitat for Blue Crane as the wheat farming activity here provides a ready food source. Apart from this species the IBA also contains significant numbers of red-listed species along its coastal component, such as Crowned Cormorant, Bank Cormorant and African Penguin.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
African Penguin Spheniscus demersus resident  2008  present  A1  Endangered 
Bank Cormorant Phalacrocorax neglectus resident  2008  present  A1  Endangered 
Blue Crane Anthropoides paradiseus resident  2008  4,800 adults only  good  A1, A4i  Vulnerable 

IBA Monitoring

2008 very high very unfavourable negligible
Good - based on reliable and complete / representative data

Agriculture and aquaculture annual & perennial non-timber crops - agro-industry farming happening now majority/most of area/population (50-90%) very rapid to severe deterioration very high
Human intrusions and disturbance recreational activities happening now some of area/population (10-49%) slow but significant deterioration medium
Invasive & other problematic species, genes & diseases introduced genetic material happening now some of area/population (10-49%) slow but significant deterioration medium
Residential and commercial development housing and urban areas happening now some of area/population (10-49%) slow but significant deterioration medium

Artificial - terrestrial   0 0 moderate (70-90%) good (> 90%) near favourable
Coastline Sea cliffs & rocky shores  0 0 moderate (70-90%) good (> 90%) near favourable
Grassland   0 0 very poor (< 40%) very poor (< 40%) very unfavourable

Anthropoides paradiseus Blue Crane 5000 4800 adults only 96 favourable

Little/none of site covered (<10%)  No management planning has taken place  Very little or no conservation action taking place  negligible 

Local conservation groups The local conservation group below is working to support conservation at this IBA.

Name Year formed
BirdLife Overburg 2004


IUCN habitat Habitat detail Extent (% of site)
Coastline Sand dunes & beaches; Sea cliffs & rocky shores; Shingle & stony beaches  major
Artificial - terrestrial Arable land; Other urban and industrial areas  major
Grassland Grassland - edaphic, dry  major

Land use

Land-use Extent (% of site)
agriculture 75%
Notes: Mainly wheat farming

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Overstrand. Downloaded from on 23/10/2016

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