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Location Sweden, Västerbotten
Central coordinates 20o 1.17' East  63o 25.32' North
IBA criteria B1ii, B2, B3, C3
Area 396 ha
Altitude 0 - 5m
Year of IBA assessment 2000

Sveriges Ornitologiska Förening

Site description A rocky island located 20 km off the Swedish coast. There is no vegetation, and numerous blocks of stone of varying size form breeding sites for auks.

Key Biodiversity This is an important site for breeding seabirds.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Common Murre Uria aalge breeding  1996  200-1,000 breeding pairs  medium  B1ii, C3  Least Concern 
Razorbill Alca torda breeding  1996  2,000-4,000 breeding pairs  medium  B1ii, B3, C3  Near Threatened 
Black Guillemot Cepphus grylle breeding  1996  350-500 breeding pairs  medium  B1ii, B2  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Bonden Nature Reserve 396 is identical to site 396  


IUCN habitat Habitat detail Extent (% of site)
Sea Open Sea; Sea inlets and coastal features  -
Coastline Sea cliffs and rocky shores  -

Land use

Land-use Extent (% of site)
nature conservation and research 100%

Protection status National High International High5 ha of IBA covered by Nature Reserve (Bonden, 400 ha). 5 ha of IBA covered by Special Protection Area (400 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Bonden island. Downloaded from on 22/10/2016

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