The site was identified as important in 2001 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 |
---|---|---|---|---|---|
Grey Imperial-pigeon Ducula pickeringii | VU | resident | 1990-1999 | min 30 individuals | A1, A2 |
Mantanani Scops-owl Otus mantananensis | LC | resident | 1970-1980 | present | A2 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2001) may differ.
Habitat1 | Habitat detail | % of IBA |
---|---|---|
Forest | major (>10) |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Ursula Island (Philippines). Downloaded from
https://datazone.birdlife.org/site/factsheet/ursula-island-iba-philippines on 22/11/2024.