DO001
Siete Hermanos Keys


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
Brown Noddy Anous stolidus LC breeding 2005 50-380 individuals B4i
Bridled Tern Onychoprion anaethetus LC breeding 2005 1,000-2,499 individuals A4i

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 high unfavourable medium
Was the whole site covered? No State assessed by Habitat
Accuracy of information medium

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Human intrusions and disturbance work and other activities happening now small area/few individuals (<10%) no or imperceptible deterioration low
Invasive and other problematic species and genes invasive non-native/alien species/diseases - unspecified species happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Invasive and other problematic species and genes problematic native species/diseases - unspecified species happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Pollution garbage & solid waste happening now small area/few individuals (<10%) no or imperceptible deterioration low

Condition of habitat (state)
Habitat Habitat Detail Reference Area (ha) Actual Area (ha) % of habitat remaining % of carrying capacity (overall) Result
Shrubland 0 0 moderate (70-90%) moderate (70-90%) 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90%) covered by appropriate conservation designation A management plan exists but it is out of date or not comprehensive Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity medium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)
Cayos Siete Hermanos Bird Sanctuary 0 protected area contains site 0
Cayos Siete Hermanos Refugio De Vida Silvestre 10,485 protected area overlaps with site 0
Cayos Siete Hermanos Wildlife Sanctuary 11,400 protected area contains site 0

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Rocky areas (eg. inland cliffs, mountain peaks) -
Coastline -
Shrubland -
Forest Mangrove -
For further information about the habitat classification please click here.

Land use

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


Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Siete Hermanos Keys. Downloaded from http://www.birdlife.org on 09/02/2023.