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Location United Kingdom, East Midlands
Central coordinates 0o 41.21' West  52o 39.01' North
IBA criteria A4iii, B1i, C3, C4
Area 1,550 ha
Altitude 90 - 110m
Year of IBA assessment 2007

Royal Society for the Protection of Birds

Site description The largest man-made reservoir in Britain and a mosaic of associated wetland and lakeside habitats. This site is internationally important for wintering and passage wildfowl.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Gadwall Mareca strepera passage  2001-2006  774 individuals  good  B1i, C3  Least Concern 
Northern Shoveler Spatula clypeata passage  2001-2006  586 individuals  good  B1i, C3  Least Concern 
A4iii Species group - waterbirds passage  2001-2006  26,224 individuals  good  A4iii, C4   
A4iii Species group - waterbirds winter  2001-2006  27,833 individuals  good  A4iii, C4   

IBA Monitoring

2007 high very unfavourable high
Good - based on reliable and complete / representative data

Agriculture and aquaculture livestock farming and ranching (includes forest grazing) - small-holder grazing, ranching or farming happening now small area/few individuals (<10%) slow but significant deterioration low
Invasive & other problematic species, genes & diseases problematic native species/diseases - unspecified species happening now small area/few individuals (<10%) slow but significant deterioration low
Natural system modifications dams & water management/use - abstraction of surface water (unknown use) likely in short term (within 4 years) majority/most of area/population (50-90%) very rapid to severe deterioration high

Mareca strepera Gadwall 1160 251 individuals 22 very unfavourable
Spatula clypeata Northern Shoveler 550 201 individuals 37 very unfavourable
Species group - waterbirds A4iii 21919 27833 individuals 100 favourable

Whole area of site (>90%) covered by appropriate conservation designation  A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species  Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity  high 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Rutland Water Site of Special Scientific Interest 1,555 is identical to site 1,550  
Rutland Water Wetlands of International Importance (Ramsar) 1,360 protected area contained by site 1,360  


IUCN habitat Habitat detail Extent (% of site)
Forest Mixed woodland  -
Shrubland Scrub  -
Grassland   -
Wetlands (inland) Standing freshwater; Water fringe vegetation  -

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
forestry -
nature conservation and research -
tourism/recreation -
water management -

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Rutland Water. Downloaded from on 28/10/2016

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