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 Pelican Pelecanus occidentalis | LC | breeding | 2011 | 7,500 individuals | A4, B3a |
| Snowy Plover Charadrius nivosus | NT | winter | 2018 | 71 individuals | B1a, B3a |
| Marbled Godwit Limosa fedoa | VU | winter | 2017 | 3,369 individuals | A4, B3a |
| Red Knot Calidris canutus | NT | winter | 2017 | 230 individuals | B1a, B3a |
| Least Sandpiper Calidris minutilla | NT | winter | 2017 | 7,235 individuals | A4, B3a |
| Western Sandpiper Calidris mauri | LC | winter | 2017 | 143,473 individuals | A4, B3a |
| Willet Tringa semipalmata | LC | winter | 2018 | 2,870 individuals | A4, B3a |
| Black Skimmer Rynchops niger | LC | winter | 2018 | 160 individuals | B3a |
| Common Gull-billed Tern Gelochelidon nilotica | LC | breeding | 2011 | 69 individuals | B3a |
| Forster's Tern Sterna forsteri | LC | winter | 2011 | 10,000 individuals | A4, B3a |
| Royal Tern Thalasseus maximus | LC | breeding | 2011 | 3,750 individuals | A4, B3a |
| A4iii Species group - waterbirds | n/a | winter | 2017 | 150,708 individuals | B3b |
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 |
|---|---|---|---|
| 1995 | Islas del Golfo de California | UNESCO-MAB Biosphere Reserve | 14 |
| 2000 | Islas del Golfo de California | Área de Protección de Flora y Fauna | 100 |
| 2004 | Laguna Playa Colorada-Santa Marea La Reforma | Ramsar Site, Wetland of International Importance | 70 |
| 2005 | Islands and Protected Areas of the Gulf of California | World Heritage Site (natural or mixed) | 15 |
| 2014 | Reserva Ecológica Bahía Santa María II | Área Destinada Voluntariamente a la Conservación | <1 |
| 2014 | Reserva Ecológica Bahía Santa María I | Área Destinada Voluntariamente a la Conservación | <1 |
| 2017 | Reserva Ecológica Bahía Santa María III | Área Destinada Voluntariamente a la Conservación | <1 |
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Forest | Mangrove, Tropical deciduous | 18 |
| Shrubland | Scrub | 8 |
| Marine Coastal/Supratidal | major (>10) | |
| Marine Intertidal | major (>10) | |
| Marine Neritic | major (>10) |
| Land use | % of IBA |
|---|---|
| agriculture | 19 |
| not utilised | 4 |
| rangeland/pastureland | minor (<10) |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Bahía Santa María (Mexico). Downloaded from
https://datazone.birdlife.org/site/factsheet/bahía-santa-maría-iba-mexico on 23/11/2024.