Data Zone
The site was identified as internationally important for bird conservation 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 List | Season (year/s of estimate) | Size | IBA criteria |
|---|---|---|---|---|
| Horned Grebe Podiceps auritus | VU | winter (2017) | 37 birds | A1 |
| Ridgway's Rail Rallus obsoletus | NT | resident (2014) | 45 | B1a |
| Reddish Egret Egretta rufescens | NT | resident (2011) | 71 birds | B1a |
| Double-crested Cormorant Nannopterum auritum | LC | resident (2013) | 4,008 birds | B3a |
| Wilson's Plover Charadrius wilsonia | LC | winter (2011) | 1,540 | A4, B3a |
| Snowy Plover Charadrius nivosus | NT | winter (2011) | 110 birds | B1a, B3a |
| Black Skimmer Rynchops niger | LC | winter (2013) | 302 birds | B3a |
| Heermann's Gull Larus heermanni | NT | resident (2014) | 1,320 birds | B1a |
| Elegant Tern Thalasseus elegans | NT | winter (2010) | 7,000 birds | A4, B1a, B3a |
| Royal Tern Thalasseus maximus | LC | winter (2010) | 500 birds | B3a |
| A4iii Species group - seabirds | n/a | - (2010) | 22,002 birds | B3b |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Marine Coastal/Supratidal | 37 | |
| Forest | 5 | Mangrove |
| Land use | % of IBA |
|---|---|
| fisheries/aquaculture | major (>10) |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Estero Santa Cruz (Mexico). Downloaded from
https://datazone.birdlife.org/site/factsheet/estero-santa-cruz-iba-mexico on 23/12/2024.