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Location Netherlands, Zuid-Holland
Central coordinates 4o 0.00' East  51o 50.00' North
IBA criteria B1i, B2, C2, C6
Area 430 ha
Altitude 2 - 5m
Year of IBA assessment 2000

Vogelbescherming Nederland

Site description A small area of dunes, saltmarshes and mudflats between Haringvliet (024) and the Voordelta (020). This site, together with sites 020 and 022, formed part of a single, larger site (former site NL046) in the previous pan-European IBA inventory (Grimmett and Jones 1989).

Key Biodiversity An important feeding and roosting site for Platalea leucorodia, particularly those from the Voornes Duin colony (022).

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Barnacle Goose Branta leucopsis winter  1988-1992  1,246 individuals  good  B2  Least Concern 
Eurasian Spoonbill Platalea leucorodia non-breeding  1988-1992  127 individuals  medium  B1i, C2, C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Kop van Goeree Nature Reserve 27 protected area contained by site 27  
Kwade Hoek Nature Reserve with Management Subsidy 355 protected area contained by site 5  


IUCN habitat Habitat detail Extent (% of site)
Coastline Mud flats & sand flats; Salt marshes; Sand dunes & beaches  100%

Land use

Land-use Extent (% of site)
agriculture 10%
nature conservation and research 100%
tourism/recreation 50%
fisheries/aquaculture 5%

Protection status National Low International High27 ha of IBA covered by Nature Reserve (Kop van Goeree, 27 ha). 5 ha of IBA covered by Nature Reserve (Kwade Hoek, 5 ha). 430 ha of IBA covered by Special Protection Area (Kwade Hoek, 825 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Kwade Hoek. Downloaded from on 25/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife