Data Zone
The site was identified as important in 2009 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 |
|---|---|---|---|---|---|
| Bell's Vireo Vireo bellii | LC | breeding | 2001 | 336 breeding pairs | A1 |
| Tricolored Blackbird Agelaius tricolor | EN | resident | 2006 | 1,500 individuals | A1 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2009) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| - | Oak Glen | Preserve | 1 |
| 1994 | San Gorgonio | Wilderness | 2 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Santa Ana River Valley (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/santa-ana-river-valley-iba-usa on 23/11/2024.