Santa Clara River Valley


IBA Justification

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
Heermann's Gull Larus heermanni NT non-breeding 2005 510 individuals A1
Bell's Vireo Vireo bellii LC breeding 2001 100 breeding pairs A1
Tricolored Blackbird Agelaius tricolor EN breeding 1999 40 breeding pairs A1

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2009) may differ.


IBA Protection

Year Protected Area Designation % overlap with IBA
- Acton Wash Wildlife Sanctuary <1
2001 Santa Clara Ranch Private Conservation Land 1
2002 Santa Clara River Fee Private Conservation Land 4
2003 Mcconica Ranch Private Conservation Land <1
2004 Santa Clara River Fee Private Conservation Land 1
2009 City Of Santa Paula Private Conservation Land -


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Santa Clara River Valley (USA). Downloaded from https://datazone.birdlife.org/site/factsheet/santa-clara-river-valley-iba-usa on 23/11/2024.