Data Zone
The site was identified as important in 2024 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 |
|---|---|---|---|---|---|
| Sooty Shearwater Ardenna grisea | NT | - | 2023 | 30-1,800 individuals | B1a |
| Pink-footed Shearwater Ardenna creatopus | VU | - | 2023 | 30-320 individuals | A1 |
| Inca Tern Larosterna inca | NT | - | 2023-2024 | min 33 individuals | B1a |
| A4iii Species group - waterbirds | n/a | non-breeding | 2016-2024 | 32,000-47,000 individuals | B3b |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2024) may differ.
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Marine Intertidal | major (>10) | |
| Marine Neritic | major (>10) | |
| Wetlands (inland) | major (>10) |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Humedal de Arauco (Chile). Downloaded from
https://datazone.birdlife.org/site/factsheet/humedal-de-arauco-iba-chile on 23/11/2024.