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 |
|---|---|---|---|---|---|
| Reddish Egret Egretta rufescens | NT | resident | 2018 | 49 individuals | B1a |
| Blue-footed Booby Sula nebouxii | LC | resident | 2011 | 4,800 individuals | A4, B3a |
| Double-crested Cormorant Nannopterum auritum | LC | resident | 2011 | 1,490 individuals | B3a |
| Wilson's Plover Charadrius wilsonia | LC | winter | 2011 | 252 individuals | A4, B3a |
| Snowy Plover Charadrius nivosus | NT | winter | 2012 | 219 individuals | B1a, B3a |
| Black Skimmer Rynchops niger | LC | winter | 2010 | 500 individuals | B3a |
| Heermann's Gull Larus heermanni | NT | resident | 2012 | 180 individuals | B1a |
| Least Tern Sternula antillarum | LC | winter | 2011 | 4,000 individuals | A4, B3a |
| Forster's Tern Sterna forsteri | LC | winter | 2017 | 2,193 individuals | A4, B3a |
| Elegant Tern Thalasseus elegans | NT | winter | 2011 | 9,398 individuals | A4, B1a, B3a |
| Royal Tern Thalasseus maximus | LC | winter | 2019 | 444 individuals | B3a |
| A4iii Species group - waterbirds | n/a | - | 2011 | 20,539 individuals | B3b |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2021) may differ.
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Marine Coastal/Supratidal | 57 | |
| Shrubland | Scrub | 17 |
| Marine Intertidal | 12 | |
| Forest | Mangrove | 2 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Estero Cardonal (Mexico). Downloaded from
https://datazone.birdlife.org/site/factsheet/estero-cardonal-iba-mexico on 22/11/2024.