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 |
|---|---|---|---|---|---|
| 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 |
|---|---|---|---|
| - | North Grasslands | Wildlife Area | 5 |
| - | Los Banos | Wildlife Area | 4 |
| - | Volta | Wildlife Area | 2 |
| - | United States Fish And Wildlife Service | Easement | 1 |
| 1951 | Merced | National Wildlife Refuge | 2 |
| 1966 | San Luis | National Wildlife Refuge | 12 |
| 1992 | Great Valley Grasslands | State Park | 2 |
| 1996 | WRP_Merced, CA (06047) | Conservation Easement | 1 |
| 1998 | WRP_Merced, CA (06047) | Conservation Easement | <1 |
| 2000 | WRP_Merced, CA (06047) | Conservation Easement | 1 |
| 2001 | EWPP-FPE_Merced, CA (06047) | Conservation Easement | <1 |
| 2005 | Grassland Ecological Area | Ramsar Site, Wetland of International Importance | 100 |
| 2011 | WRP_Merced , CA (06047) | Conservation Easement | <1 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Grasslands Ecological Area (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/grasslands-ecological-area-iba-usa on 23/11/2024.