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Location Netherlands, Zuid-Holland
Central coordinates 4o 33.00' East  52o 7.00' North
IBA criteria A4i, B1i, B2, C2, C6
Area 770 ha
Altitude
Year of IBA assessment 2000

Vogelbescherming Nederland



Site description An area of wet meadows and improved grassland located to the south-east of the city of Leiden.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Tundra Swan Cygnus columbianus winter  1993  248 individuals  good  A4i, B1i, B2, C2, C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
De Wilck Nature Reserve 127 protected area contained by site 127  
De Wilck - NL9802101 Birds Directive 116 is identical to site 116  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Artificial - terrestrial Highly improved re-seeded landscapes  99%

Land use

Land-use Extent (% of site)
tourism/recreation 10%
agriculture 100%
nature conservation and research 17%

Protection status National Partial International None127 ha of IBA covered by Nature Reserve (De Wilck, 127 ha).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: De Wilck. Downloaded from http://www.birdlife.org on 24/10/2014

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