Data Zone
Year of most recent IBA criteria assessment: 2021
Populations of IBA trigger species| Species | Current IUCN Red List Category | Season | Year(s) of estimate | Population estimate | IBA Criteria Triggered |
|---|---|---|---|---|---|
| Brent Goose Branta bernicla | LC | winter | 2020 | 2,200 individuals | B3a |
| Ridgway's Rail Rallus obsoletus | NT | resident | 2020 | 45 individuals | B1a |
| Reddish Egret Egretta rufescens | NT | resident | 2011 | 597 individuals | A4, B1a, B3a |
| Brown Pelican Pelecanus occidentalis | LC | winter | 2011 | 5,000 individuals | A4, B3a |
| Brandt's Cormorant Urile penicillatus | LC | - | 2020 | 2,800 individuals | A4, B3a |
| Snowy Plover Charadrius nivosus | NT | resident | 2018 | 129 individuals | B1a, B3a |
| Long-billed Curlew Numenius americanus | LC | non-breeding | 2017 | 2,054 individuals | A4, B3a |
| Marbled Godwit Limosa fedoa | LC | non-breeding | 2020 | 23,836 individuals | A4, B3a |
| Short-billed Dowitcher Limnodromus griseus | LC | winter | 2020 | 1,000 individuals | B3a |
| Willet Tringa semipalmata | LC | non-breeding | 2020 | 6,643 individuals | A4, B3a |
| Heermann's Gull Larus heermanni | NT | resident | 2013 | 1,108 individuals | B1a |
| Elegant Tern Thalasseus elegans | NT | - | 2013 | 300 individuals | B1a |
| Royal Tern Thalasseus maximus | LC | resident | 2018 | 300 individuals | B3a |
| A4iii Species group - waterbirds | n/a | - | 2017-2020 | 35,333 individuals | B3b |
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) |
|---|---|---|---|---|
| Whale Sanctuary of El Vizcaino | World Heritage Site (natural or mixed) | 370,950 | protected area overlaps with site | 0 |
| Laguna San Ignacio | Ramsar Site, Wetland of International Importance | 17,500 | protected area overlaps with site | 0 |
| El Vizcaíno | UNESCO-MAB Biosphere Reserve | 2,546,790 | protected area contains site | 0 |
| El Vizcaíno | Reserva de la Biosfera | 2,198,617 | protected area overlaps with site | 107,626 |
| IUCN Habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Forest | Mangrove | - |
| Shrubland | Scrub | - |
| Unknown | - | |
| Coastline | Sand dunes & beaches | - |
| Wetlands (inland) | Saline & alkaline lakes | - |
| Other | - |
| Land-use | Extent (% of site) |
|---|---|
| tourism/recreation | - |
| nature conservation and research | - |
| fisheries/aquaculture | - |
| urban/industrial/transport | - |
Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Complejo Lagunar San Ignacio. Downloaded from
http://www.birdlife.org on 28/01/2023.
