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 |
---|---|---|---|---|---|
Tricolored Blackbird Agelaius tricolor | EN | resident | - | present | 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 |
---|---|---|---|
- | Yolo Bypass | Wildlife Area | 11 |
- | Yolo Bypass | Wildlife Area | 10 |
- | Fremont Weir | Wildlife Area | <1 |
- | Sacramento Bypass | Wildlife Area | <1 |
1993 | WRP_Yolo, CA (06113) | Environmental System | 3 |
2000 | WRP_Yolo, CA (06113) | Environmental System | <1 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Yolo Bypass Area (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/yolo-bypass-area-iba-usa on 23/11/2024.