Troup, Pennan and Lion Heads

IBA Criteria

Year of most recent IBA criteria assessment: 2007

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Razorbill Alca torda LC breeding 2001 4,892 individuals B3
Common Murre Uria aalge LC breeding 2001 47,737 individuals B1ii, C3
A4iii Species group - seabirds n/a breeding 1998-2001 39,694 breeding pairs A4iii, C4
A4iii Species group - waterbirds n/a breeding 1998-2001 20,625 breeding pairs 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 Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2007 low unfavourable medium
Was the whole site covered? Yes State assessed by Population
Accuracy of information good

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Energy production and mining renewable energy likely in short term (within 4 years) small area/few individuals (<10%) moderate to rapid deterioration low

Condition of key/trigger populations (state)
Scientific Common TargetPop ActualPop Units Remaining Result
Rissa tridactyla Black-legged Kittiwake 31700 18657 breeding pairs 59 unfavourable
Alca torda Razorbill 4806 4892 individuals 100 favourable
Uria aalge Common Murre 44626 47737 individuals 100 favourable
Species group - seabirds A4iii 38404 39694 breeding pairs 100 favourable
Species group - waterbirds A4iii 36052 20625 breeding pairs 58 unfavourable

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Whole area of site (>90%) covered by appropriate conservation designation A management plan exists but it is out of date or not comprehensive Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity medium
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Troup; Pennan and Lion's Heads Special Protection Area (Birds Directive) 3,365 protected area contains site 171
Troup, Pennan and Lion`s Heads Marine Protected Area (OSPAR) 0 protected area overlaps with site 0
Troup Head RSPB Reserve 30 protected area contained by site 30
Troup Head Nature Reserve 30 protected area overlaps with site 0
Gamrie and Pennan Coast Site of Special Scientific Interest (UK) 315 protected area overlaps with site 171


IUCN Habitat Habitat detail Extent (% of site)
Shrubland Scrub, Heathland -
Grassland -
Wetlands (inland) Shingle or stony beaches -
Coastline Sea cliffs and rocky shores -
For further information about the habitat classification please click here.

Land use

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

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Troup, Pennan and Lion Heads. Downloaded from on 23/05/2022.