Tinhosas islands

IBA Criteria

Year of most recent IBA criteria assessment: 2001

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Brown Booby Sula leucogaster LC breeding - 1,500-3,000 breeding pairs A4ii
Brown Noddy Anous stolidus LC breeding - 4,000-8,000 breeding pairs A4i
Black Noddy Anous minutus LC breeding - 10,000-20,000 breeding pairs A4i
Sooty Tern Onychoprion fuscatus LC breeding - 100,000 breeding pairs A4i
A4iii Species group - waterbirds n/a breeding - 100,000-499,999 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 Protection

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Ilhas Tinhosas Ramsar Site, Wetland of International Importance 23 protected area overlaps with site 23

Land use

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

Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Tinhosas islands. Downloaded from on 07/03/2021.