Rogerstown estuary

IBA Criteria

Year of most recent IBA criteria assessment: 2009

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Brent Goose Branta bernicla LC winter 2002-2006 1,196-2,673 individuals B1i, B2, C3
Black-tailed Godwit Limosa limosa NT winter 2002-2006 396-1,158 individuals B1i, C3
Red Knot Calidris canutus NT winter 2002-2006 400-1,330 individuals B2
A4iii Species group - waterbirds n/a winter 2002-2006 15,908-32,339 individuals A4iii, C4

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Rogerstown Estuary SPA Special Protection Area (Birds Directive) 645 protected area overlaps with site 122
Rogerstown Estuary SAC Site of Community Importance (Habitats Directive) 586 protected area overlaps with site 260
Rogerstown Estuary Wildfowl Sanctuary 368 protected area contains site 368
Rogerstown Estuary Nature Reserve 195 protected area contained by site 196
Rogerstown Estuary Ramsar Site, Wetland of International Importance 195 protected area overlaps with site 195


IUCN Habitat Habitat detail Extent (% of site)
Grassland Humid grasslands -
Coastline Tidal rivers & enclosed tidal waters, Salt marshes, Mud flats & sand flats -
Artificial/Terrestrial Other urban and industrial areas -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
urban/industrial/transport -
not utilised -
nature conservation and research -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Rogerstown estuary. Downloaded from on 14/08/2022.