Data Zone
The site was identified as important in 2021 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species') at the site:| Species | Red List1 | Season | Year(s) | Size | IBA criteria |
|---|---|---|---|---|---|
| Brown Booby Sula leucogaster | LC | resident | 2010 | 10,000 individuals | A4, B3a |
| Heermann's Gull Larus heermanni | NT | resident | 2019 | 1,000 individuals | B1a |
| Bridled Tern Onychoprion anaethetus | LC | winter | 2018 | 50 individuals | B3a |
| Elegant Tern Thalasseus elegans | NT | non-breeding | 2019 | 800 individuals | A4, B1a, B3a |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2021) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| 2004 | Islas Marietas | Ramsar Site, Wetland of International Importance | 25 |
| 2005 | Islands and Protected Areas of the Gulf of California | World Heritage Site (natural or mixed) | 26 |
| 2005 | Islas Marietas | Parque Nacional | 24 |
| 2005 | Islas Marietas | Parque Nacional | 2 |
| 2008 | Islas Marietas | UNESCO-MAB Biosphere Reserve | 26 |
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Marine Neritic | 99 | |
| Forest | Tropical semi-deciduous | 1 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Islas Marietas (Mexico). Downloaded from
https://datazone.birdlife.org/site/factsheet/islas-marietas-iba-mexico on 23/11/2024.