The site was identified as internationally important for bird conservation in 2009 because it was regularly supporting significant populations of the species listed below, meeting IBA criteria.
Populations meeting IBA criteria ('key species') at the site:Species | Red List | Season (year/s of estimate) | Size | IBA criteria |
---|---|---|---|---|
Bell's Vireo Vireo bellii | LC | breeding (2004) | 150 breeding pairs | A1 |
Recommended citation
BirdLife International (2025) Important Bird Area factsheet: San Luis Rey River (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/san-luis-rey-river-iba-usa on 15/01/2025.