Humedal de Arauco


IBA Justification

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

Habitats

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.