The site was identified as internationally important for bird conservation 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 List | Season (year/s of estimate) | Size | IBA criteria |
---|---|---|---|---|
Sooty Shearwater Ardenna grisea | NT | - (2023) | 30–1,800 birds | B1a |
Pink-footed Shearwater Ardenna creatopus | VU | - (2023) | 30–320 birds | A1 |
Inca Tern Larosterna inca | NT | - (2023–2024) | min 33 birds | B1a |
A4iii Species group - waterbirds | n/a | non-breeding (2016–2024) | 32,000–47,000 birds | B3b |
Habitat | % of IBA | Habitat detail |
---|---|---|
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 23/12/2024.