Data Zone
Year of most recent IBA criteria assessment: 2008
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 | 1995 | 30,500 individuals | A4ii |
| Laughing Gull Larus atricilla | LC | breeding | 1995 | 5,000 individuals | A4i |
| Heermann's Gull Larus heermanni | NT | resident | 1995 | present | A1, A4i |
| Bridled Tern Onychoprion anaethetus | LC | breeding | 1995 | 300 individuals | A4i |
| A4iii Species group - seabirds | n/a | breeding | 1995 | 36,320 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
| Protected Area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) |
|---|---|---|---|---|
| Islas Marietas | Parque Nacional | 1,383 | protected area contained by site | 0 |
| Islas Marietas | Parque Nacional | 1,383 | protected area contained by site | 0 |
| Islas Marietas | Ramsar Site, Wetland of International Importance | 1,357 | protected area contained by site | 1,357 |
| Islas Marietas | UNESCO-MAB Biosphere Reserve | 1,383 | protected area contained by site | 0 |
| Islands and Protected Areas of the Gulf of California | World Heritage Site (natural or mixed) | 1,899,035 | protected area overlaps with site | 0 |
| IUCN Habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Sea | Open sea | - |
| Forest | Tropical semi-deciduous | - |
Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Islas Marietas. Downloaded from
http://www.birdlife.org on 27/01/2022.
