Yolo Bypass Area


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
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.


IBA Protection

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.