Tyulen’i (Seal) Islands

IBA Criteria

Year of most recent IBA criteria assessment: 2004

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Red-necked Grebe Podiceps grisegena LC passage 2003 100-550 individuals A4i
Sandwich Tern Thalasseus sandvicensis LC breeding 2003-2004 2,000-2,500 individuals A4i
A4iii Species group - waterbirds n/a passage 2004 20,000-49,999 individuals A4iii

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)
2018 not assessed very unfavourable negligible
Was the whole site covered? No State assessed by Population
Accuracy of information good

IBA Protection

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Northen Part of Caspian Sea State Reservation 7,000,000 protected area contains site 166,880
Aktay-Buzachinskiy Zakaznik 170,000 protected area is adjacent to site 0


IUCN Habitat Habitat detail Extent (% of site)
Desert -
Wetlands (inland) -
Sea -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
military -
nature conservation and research -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Tyulen’i (Seal) Islands. Downloaded from on 05/03/2021.