River Foyle: Carrigans and Swilly Burn valleys

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
Whooper Swan Cygnus cygnus LC winter 2002-2003 835-918 individuals B1i, B3, C2, C6
Greater White-fronted Goose Anser albifrons LC winter 2002-2003 6-442 individuals C6

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

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
River Finn SAC Site of Community Importance (Habitats Directive) 5,499 protected area overlaps with site 221


IUCN Habitat Habitat detail Extent (% of site)
Shrubland Scrub -
Wetlands (inland) Rivers and streams, Water fringe vegetation -
Artificial/Terrestrial Highly improved re-seeded landscapes, Arable land -
Coastline Tidal rivers & enclosed tidal waters, Mud flats & sand flats -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
hunting -
agriculture -
not utilised -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: River Foyle: Carrigans and Swilly Burn valleys. Downloaded from on 21/10/2020.